7 letter words
SOUFFLE​13
6 letter words
FLOUSE​9
FOULES​9
5 letter words (12 words)
FUELS​8
FOULS​8
LOUSE​5
FLUES​8
FLOES​8
FOULE​8
SULFO​8
EUSOL​5
FUSEL​8
LUFFS​11
OUSEL​5
SLUFF​11
4 letter words (24 words)
SELF​7
FUEL​7
SOUL​4
LOSE​4
SOLE​4
FOUL​7
FUSE​7
OFFS​10
FOES​7
UFOS​7
FLUE​7
LUFF​10
OLES​4
ULES​4
FLOE​7
LOUS​4
SLOE​4
FLUS​7
ELFS​7
FOUS​7
3 letter words (24 words)
USE​3
OFF​9
LOS​3
SUE​3
FLU​6
SOL​3
LEU​3
LOU​3
UFO​6
ELF​6
EFF​9
OLE​3
FOE​6
SEL​3
ELS​3
SOU​3
OES​3
OUS​3
FES​6
OSE​3
2 letter words (11 words)
OF​5
US​2
SO​2
EL​2
OS​2
ES​2
LO​2
FE​5
EF​5
OE​2
OU​2