ʎt
OXPO|OXPP
POOX
OXPQ
POPO
POOP
POPP
POOQ
POPQ
POOR
PPOP
POOS
PPOQ
POOT
PPOR
POOU
PPOS
POOV
PPOT
POOW
PPOU\PPOV
OP
^
OR
^
(b) p D
@
@
@
@
@
@
@
@
@
@
@
@
@
@
@
@
@
@
@
@
@
@
@
@
@
@