9 letter words:
kiwifruit19,
5 letter words:
fruit8,
4 letter words:
firk11,
kiwi11,
kufi11,
kuri8,
kuti8,
tiki8,
turk8,
frit7,
rift7,
turf7,
writ7,
3 letter words:
kif10,
irk7,
kir7,
kit7,
fir6,
fit6,
fur6,
iwi6,
rif6,
wit6,
rit3,
rut3,
tui3,
2 letter words:
ki6,
if5,
it2,
ti2,
ur2,
ut2,