Three Letter String

GIL

gill
gilded
fragile
agility
vigilant

VIC

VIC

vice
victory
advice
civic
evict

ORT

ORT

fortress
comportment
northern
portent
assortment

RAM

RAM

tramp
rampart
ceramic
dram
framework

WOR

WOR

worrisome
worthy
worn
worsted
wordy

IAM

IAM

diametric
diamond
Siamese
:mmm
:helpme

OPE

^
iambic
parliament
thiamine

OPE

antelope
elopement
operative
trope
misanthrope

MER

MER

commercial
merciful
summertime
immersed
drummer

HAM

HAM

hamster
champion
shampoo
hammock
shamrock

RET

RET

barrette
pretzels
retention
regrettable
ferret

UEL