\begin{tikzpicture}[scale=2.54]
% dpic version 2020.03.01 option -g for TikZ and PGF 1.01
\ifx\dpiclw\undefined\newdimen\dpiclw\fi
\global\def\dpicdraw{\draw[line width=\dpiclw]}
\global\def\dpicstop{;}
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\dpiclw=0.8bp
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\global\let\dpicshdraw=\dpicdraw\global\def\dpicdraw{}
\global\def\dpicstop{--}
\dpicshdraw[fill=white!0!black]
\dpicdraw (0.469444,0.088889)
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cycle; \global\let\dpicdraw=\dpicshdraw\global\def\dpicstop{;}
\global\let\dpicshdraw=\dpicdraw\global\def\dpicdraw{}
\global\def\dpicstop{--}
\dpicshdraw[fill=white!0!black]
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cycle; \global\let\dpicdraw=\dpicshdraw\global\def\dpicstop{;}
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\dpicstop
\dpicdraw (0.390278,-0.111111)
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\fill[fill=black,line width=0bp](0.306944,-0.111111)
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\dpicstop
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\dpiclw=0.4bp
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\dpicdraw (0.218111,0.088889)
 --(0.027778,0.088889)\dpicstop
\draw (0.027778,0.088889) node[left=-2bp]{\sl H};
\dpiclw=0.8bp
\draw (0.348611,-0.236111) node[below=-2bp]{\tt pconnex(,A)};
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 --(1.398611,-0.236111)
 --(1.398611,0.013889)\dpicstop
\dpicdraw (1.069444,0.088889)
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\dpicdraw (1.269444,0.088889)
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\dpicdraw (1.190278,-0.111111)
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\dpiclw=0.4bp
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\draw (1.469444,0.188889) node[right=-2bp]{\sl H};
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\filldraw[line width=0bp](0.520518,0.136175)
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\filldraw[line width=0bp](0.95911,0.100252)
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\draw (0.748611,-0.061111) node{\sl G};
\filldraw[line width=0bp](0.452454,-0.07983)
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\dpicdraw (0.673611,-0.061111)
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\filldraw[line width=0bp](1.037817,-0.119221)
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\dpicdraw (0.823611,-0.061111)
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\draw (1.148611,-0.236111) node[below=-2bp]{\tt (,AF)};
\dpicdraw (1.848611,0.013889) circle (0.098425in)\dpicstop
\global\let\dpicshdraw=\dpicdraw\global\def\dpicdraw{}
\global\def\dpicstop{--}
\dpicshdraw[fill=white!0!black]
\dpicdraw (1.969444,0.088889)
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 --(1.927778,0.013889)
 --(1.969444,0.013889)
 --(1.969444,0.088889)\dpicstop
cycle; \global\let\dpicdraw=\dpicshdraw\global\def\dpicstop{;}
\global\let\dpicshdraw=\dpicdraw\global\def\dpicdraw{}
\global\def\dpicstop{--}
\dpicshdraw[fill=white!0!black]
\dpicdraw (1.769444,0.088889)
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 --(1.769444,0.088889)\dpicstop
cycle; \global\let\dpicdraw=\dpicshdraw\global\def\dpicstop{;}
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\dpicstop
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\dpicstop
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\draw (1.848611,-0.236111) node[below=-2bp]{\tt (,AC)};
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 --(2.469444,0.088889)\dpicstop
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 --(2.627778,0.026389)
 --(2.669444,0.026389)
 --(2.669444,0.088889)\dpicstop
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\global\let\dpicshdraw=\dpicdraw\global\def\dpicdraw{}
\global\def\dpicstop{--}
\dpicshdraw[fill=white!0!black]
\dpicdraw (3.148611,0.163889) circle (0.016404in)\dpicstop
cycle; \global\let\dpicdraw=\dpicshdraw\global\def\dpicstop{;}
\global\let\dpicshdraw=\dpicdraw\global\def\dpicdraw{}
\global\def\dpicstop{--}
\dpicshdraw[fill=white!0!black]
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cycle; \global\let\dpicdraw=\dpicshdraw\global\def\dpicstop{;}
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 ..controls (3.498611,-0.336111) and (3.798611,-0.336111)
 ..(3.798611,-0.136111)\dpicstop
\dpicdraw (3.648611,0.163889) circle (0.016404in)\dpicstop
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 --(4.248611,0.013889)\dpicstop
\global\let\dpicshdraw=\dpicdraw\global\def\dpicdraw{}
\global\def\dpicstop{--}
\dpicshdraw[fill=white!0!black]
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cycle; \global\let\dpicdraw=\dpicshdraw\global\def\dpicstop{;}
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\dpicshdraw[fill=white!0!black]
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cycle; \global\let\dpicdraw=\dpicshdraw\global\def\dpicstop{;}
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 --(0.348611,-0.623611)\dpicstop
\global\let\dpicshdraw=\dpicdraw\global\def\dpicdraw{}
\global\def\dpicstop{--}
\dpicshdraw[fill=white!0!black]
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cycle; \global\let\dpicdraw=\dpicshdraw\global\def\dpicstop{;}
\global\let\dpicshdraw=\dpicdraw\global\def\dpicdraw{}
\global\def\dpicstop{--}
\dpicshdraw[fill=white!0!black]
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cycle; \global\let\dpicdraw=\dpicshdraw\global\def\dpicstop{;}
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cycle; \global\let\dpicdraw=\dpicshdraw\global\def\dpicstop{;}
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 --(1.823611,-0.511111)\dpicstop
\global\let\dpicshdraw=\dpicdraw\global\def\dpicdraw{}
\global\def\dpicstop{--}
\dpicshdraw[fill=white!0!black]
\dpicdraw (1.719444,-0.661111)
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cycle; \global\let\dpicdraw=\dpicshdraw\global\def\dpicstop{;}
\global\let\dpicshdraw=\dpicdraw\global\def\dpicdraw{}
\global\def\dpicstop{--}
\dpicshdraw[fill=white!0!black]
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cycle; \global\let\dpicdraw=\dpicshdraw\global\def\dpicstop{;}
\global\let\dpicshdraw=\dpicdraw\global\def\dpicdraw{}
\global\def\dpicstop{--}
\dpicshdraw[fill=white!0!black]
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cycle; \global\let\dpicdraw=\dpicshdraw\global\def\dpicstop{;}
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 --(3.523611,-1.111111)\dpicstop
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 --(3.627778,-0.961111)\dpicstop
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\draw (3.523611,-1.111111) node[below=-2bp]{\tt (L,GF)};
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\global\let\dpicshdraw=\dpicdraw\global\def\dpicdraw{}
\global\def\dpicstop{--}
\dpicshdraw[fill=white!0!black]
\dpicdraw (4.269444,-0.661111)
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cycle; \global\let\dpicdraw=\dpicshdraw\global\def\dpicstop{;}
\global\let\dpicshdraw=\dpicdraw\global\def\dpicdraw{}
\global\def\dpicstop{--}
\dpicshdraw[fill=white!0!black]
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cycle; \global\let\dpicdraw=\dpicshdraw\global\def\dpicstop{;}
\global\let\dpicshdraw=\dpicdraw\global\def\dpicdraw{}
\global\def\dpicstop{--}
\dpicshdraw[fill=white!0!black]
\dpicdraw (4.404861,-0.977778)
 --(4.404861,-0.915278)
 --(4.342361,-0.915278)
 --(4.342361,-1.040278)
 --(4.404861,-1.040278)
 --(4.404861,-0.977778)\dpicstop
cycle; \global\let\dpicdraw=\dpicshdraw\global\def\dpicstop{;}
\draw (4.373611,-1.136111) node[below=-2bp]{\tt (,GC)};
\end{tikzpicture}
\vspace*{-0.5\baselineskip}