6 letter words:
intact8,
5 letter words:
twain8,
witan8,
actin7,
antic7,
attic7,
tacit7,
tinct7,
taint5,
tanti5,
titan5,
4 letter words:
tawt7,
twat7,
twin7,
twit7,
wain7,
wait7,
want7,
watt7,
cain6,
cant6,
tact6,
anti4,
tain4,
tait4,
tint4,
3 letter words:
caw8,
awn6,
naw6,
taw6,
twa6,
wai6,
wan6,
wat6,
win6,
wit6,
act5,
can5,
cat5,
cit5,
tic5,
ain3,
ait3,
ani3,
ant3,
att3,
ita3,
nat3,
nit3,
tai3,
tan3,
tat3,
tin3,
tit3,
2 letter words:
aw5,
ai2,
an2,
at2,
in2,
it2,
na2,
ta2,
ti2,