psedge
pspred
pssucc
pstree
skiplevel
skiplevel*
skiplevels
skiplevels*
Tcircle
TCircle
Tcircle*
TCircle*
Tdia
Tdia*
Tdot
Tdot*
Tfan
Tfan*
Toval
Toval*
tspace
Ttri
Ttri*
\begin{psTree}
