5 letter words:
airth8,
4 letter words:
hair7,
hart7,
rath7,
tahr7,
thar7,
thir7,
airt4,
arti4,
rait4,
tiar4,
3 letter words:
ahi6,
hat6,
hit6,
rah6,
air3,
ait3,
art3,
ita3,
rai3,
rat3,
ria3,
rit3,
tai3,
tar3,
2 letter words:
ah5,
ha5,
hi5,
ai2,
ar2,
at2,
it2,
ta2,
ti2,