5 letter words:
books11,
kobos11,
spook11,
swoop10,
woops10,
4 letter words:
woks11,
bisk10,
book10,
bosk10,
kips10,
kobo10,
kobs10,
kops10,
skip10,
spik10,
bows9,
pows9,
swob9,
swop9,
wisp9,
wops9,
bops8,
kois8,
sook8,
woos7,
bios6,
boos6,
obis6,
oops6,
piso6,
pois6,
poos6,
3 letter words:
wok10,
kip9,
kob9,
kop9,
bow8,
pow8,
wop8,
bop7,
kis7,
koi7,
kos7,
ski7,
sow6,
wis6,
woo6,
wos6,
bio5,
bis5,
boo5,
bos5,
obi5,
ops5,
pis5,
poi5,
poo5,
psi5,
sib5,
sip5,
sob5,
sop5,
2 letter words:
ki6,
ow5,
wo5,
bi4,
bo4,
op4,
pi4,
is2,
oi2,
os2,
si2,
so2,