6 letter words:
awaits9,
tatsoi6,
5 letter words:
await8,
twats8,
twist8,
twits8,
waist8,
waits8,
watts8,
iotas5,
ostia5,
stoai5,
stoat5,
toast5,
toits5,
4 letter words:
staw7,
stow7,
swat7,
swot7,
taws7,
tows7,
twas7,
twat7,
twit7,
twos7,
wait7,
wast7,
wats7,
watt7,
wist7,
wits7,
wost7,
wots7,
aits4,
iota4,
oast4,
oats4,
sati4,
stat4,
stoa4,
stot4,
taos4,
tats4,
tits4,
toit4,
tost4,
tots4,
3 letter words:
awa6,
saw6,
sow6,
taw6,
tow6,
twa6,
two6,
was6,
wat6,
wis6,
wit6,
wos6,
wot6,
aas3,
ais3,
ait3,
att3,
its3,
oat3,
sat3,
sit3,
sot3,
tao3,
tas3,
tat3,
tis3,
tit3,
tot3,
2 letter words:
aw5,
ow5,
wo5,
aa2,
ai2,
as2,
at2,
is2,
it2,
oi2,
os2,
si2,
so2,
ta2,
ti2,
to2,