4 letter words:
waff13,
fawn10,
naff10,
anew7,
fane7,
wane7,
wean7,
wena7,
nane4,
3 letter words:
aff9,
eff9,
faw9,
few9,
awe6,
awn6,
fae6,
fan6,
fen6,
naw6,
nef6,
new6,
wae6,
wan6,
wen6,
ane3,
ann3,
ean3,
nae3,
nan3,
2 letter words:
aw5,
ef5,
fa5,
fe5,
we5,
ae2,
an2,
ea2,
en2,
na2,
ne2,