6 letter word: U O P L F T

3 letter words
FLU
FOP
LOP
LOT
OFT
OPT
OUT
POL
POT
PUT
TOP

4 letter words
FLOP
FOUL
LOFT
LOUT
PLOT
POUF
POUT
TOFU

5 letter words
FLOUT

6 letter word
POTFUL