6 letter words:
pirogi9,
5 letter words:
prows10,
grows9,
gorps8,
grips8,
pirog8,
prigs8,
progs8,
sprig8,
sprog8,
giros6,
goris6,
4 letter words:
pows9,
prow9,
sowp9,
swop9,
wisp9,
wops9,
grow8,
swig8,
wigs8,
wogs8,
gips7,
gorp7,
grip7,
iwis7,
pigs7,
prig7,
prog7,
rows7,
pirs6,
piso6,
pois6,
pros6,
rips6,
risp6,
gios5,
giro5,
gori5,
gris5,
rigs5,
iris4,
siri4,
sori4,
3 letter words:
pow8,
wop8,
wig7,
wog7,
gip6,
iwi6,
pig6,
row6,
sow6,
wis6,
wos6,
ops5,
pir5,
pis5,
poi5,
pos5,
pro5,
psi5,
rip5,
sip5,
sop5,
gio4,
gis4,
gor4,
gos4,
rig4,
sog4,
ios3,
iso3,
ors3,
sir3,
sri3,
2 letter words:
ow5,
wo5,
op4,
pi4,
po4,
gi3,
go3,
io2,
is2,
oi2,
or2,
os2,
si2,
so2,