7 letter words:
wingtip13,
6 letter words:
wiping12,
witing10,
5 letter words:
inwit8,
piing8,
4 letter words:
twig8,
wing8,
ping7,
twin7,
pint6,
tipi6,
ting5,
inti4,
3 letter words:
twp8,
wig7,
gip6,
iwi6,
pig6,
win6,
wit6,
nip5,
pin5,
pit5,
tip5,
gin4,
git4,
tig4,
nit3,
tin3,
2 letter words:
pi4,
gi3,
in2,
it2,
ti2,