4 letter words:
waft10,
waif10,
fiat7,
toft7,
twat7,
twit7,
wait7,
watt7,
iota4,
toit4,
3 letter words:
aft6,
fat6,
fit6,
oaf6,
oft6,
taw6,
tow6,
twa6,
two6,
wat6,
wit6,
wot6,
ait3,
att3,
oat3,
tao3,
tat3,
tit3,
tot3,
2 letter words:
aw5,
fa5,
if5,
of5,
ow5,
wo5,
ai2,
at2,
it2,
oi2,
ta2,
ti2,
to2,