8 letter words:
prebirth15,
7 letter words:
rebirth12,
5 letter words:
berth10,
birth10,
brith10,
thrip10,
hirer8,
ither8,
their8,
biter7,
brier7,
prier7,
riper7,
tribe7,
tripe7,
trier5,
4 letter words:
beth9,
herb9,
pith9,
heir7,
hire7,
thir7,
bier6,
birr6,
bite6,
brie6,
brit6,
peri6,
pert6,
pier6,
ripe6,
trip6,
rite4,
tier4,
tire4,
3 letter words:
hep8,
hip8,
peh8,
phi8,
pht8,
eth6,
her6,
het6,
hie6,
hit6,
the6,
bet5,
bit5,
brr5,
per5,
pet5,
pie5,
pit5,
reb5,
rep5,
rib5,
rip5,
tip5,
err3,
ire3,
rei3,
ret3,
tie3,
2 letter words:
eh5,
he5,
hi5,
be4,
bi4,
pe4,
pi4,
er2,
et2,
it2,
re2,
ti2,
