b ber best
b ber best
be beer beest
bigg bigger biggest
car carer carest
div diver divest
do doer doest
earn earner earnest
eld elder eldest
further furtherer furtherest
g ger gest
g ger gest
h her hest
h her hest
high higher highest
hinder hinderer hinderest
ing inger ingest
ing inger ingest
inn inner innest
l ler lest
l ler lest
lat later latest
north norther northest
oft ofter oftest
p per pest
p per pest
rath rather rathest
rev rever revest
shi shier shiest
te teer teest
temp temper tempest
upper upperer upperest
w wer west
w wer west
y yer yest
y yer yest
z zer zest
z zer zest