Three Letter String

URE

allure
captured
pleasure
uremic
tortured

UCE

UCE

introduce
translucent
truce
producer
puce

QUI

QUI

quite
quiet
quince
quit
quiz

PER

PER

caliper
perfunctory
interpersonal
repercussion
permanent

USS

BUSS

bussing
trusses
cussing
plusses
fussing

PRO

PRO

improvise
sprouts
proudly
approval
prose

STA

STA

station
stagnant
stare
stair
stark

DOL

DOL

dolphin
indolent
dollop
redolent
dollhouse

PON

PON

preponderance
spontaneous
coupon
opponent
poncho

EMO

EMO

emotional
demolition
removal
semolina
femoral

ANG