5 letter words:
bosky14,
books11,
kobos11,
boyos10,
4 letter words:
woks11,
yoks11,
bisk10,
book10,
bosk10,
kobo10,
kobs10,
yows10,
ywis10,
bows9,
boyo9,
boys9,
swob9,
sybo9,
yobs9,
kois8,
sook8,
woos7,
bios6,
boos6,
obis6,
3 letter words:
sky10,
wok10,
yok10,
kob9,
yow9,
bow8,
boy8,
bys8,
yob8,
kis7,
koi7,
kos7,
ski7,
sow6,
soy6,
wis6,
woo6,
wos6,
bio5,
bis5,
boo5,
bos5,
obi5,
sib5,
sob5,
2 letter words:
by7,
ki6,
ow5,
oy5,
wo5,
yo5,
bi4,
bo4,
is2,
oi2,
os2,
si2,
so2,