Halfsquare
The left and inverted right halfsquares are inherently double (see double forms).
Left: Right:
P S
RA BE
ORS RIA
GREW PERM
REXES SARDS
ESTATE SILENT
STONING PALAVER
SILENTLY REREVISE
EVERGREEN BIRDNESTS
SETSEYESON SEAMSTRESS
Inverted Left: Inverted Right:
GRAPHPAPER MAINFRAMES
RETRIEVER ITERATIVE
ATWITTER EPISTLER
PRINTER ESERINE
HITTER TRITON
PETER STARE
AVER ETON
PER EDE
ER DS
R S