Here are some possible words:
barbel
barrel
bethel
boatel
bushel
cancel
cannel
carpel
carrel
cartel
chapel
chisel
compel
corbel
cornel
correl
crenel
crewel
cudgel
damsel
Daniel
darnel
diesel
dispel
drivel
duffel
Eiffel
enamel
fennel
funnel
gospel
gravel
grovel
gunnel
gunsel
handel
hansel
hostel
kennel
kernel
laurel
lintel
mantel
marcel
marvel
mendel
morsel
mussel
mutuel
nickel
parcel
passel
pastel
petrel
pommel
propel
pummel
rappel
refuel
reheel
runnel
Samuel
sequel
shekel
shovel
snivel
sorrel
spinel
swivel
tassel
teasel
teazel
tercel
tinsel
travel
trowel
tunnel
unreel
vessel
wankel
weasel
wurzel
Some six letter words ending in I are:alkalialumnibanzaibikinikabukipirogisafariscampiwasabi
Some six letter words ending in U are:bureaugateaulandaumilieumuumuu
6 letter words starting and ending with N:napkinnationneuronnotion
Some six letter words ending in K are:attackdamaskembarkhijackremarkshriekshrink
6 letter f words ending with e:fiddlefacadefaminefeeblefoiblefelineficklefigurefinalefizzlefleecefondleforageforseefutilefreezefringefumble
a 6 letter word ending with a w is borrow.
Some six letter words starting with A and ending with L are:actualassailanimalartfularmfulannual
Here are some 6 letter words ending with T:absentassentbulletcarrotclientdeportdesertdecentexpertexportexpertforgetfaucetferretfreightgobletheighthornetindentimportimpartjacketknightlatentlariatlocustlatestmalletmarketmagnetmaggotnitwitnonfatorientoccultoffsetoutletoutfitpotentpatentpulpitpocketparentparrotpelletresultresortresentrepentregretrelentsecretscriptsplintsquintsummitsquirtspirittalentunseatvacantvelvetwalletyogurt
Sergei
Alkali
asleepbishopburlapdollopencamphiccupicecapmakeupmarkupmishaprecouprevampscrimpshrimpturnipwallopunsnapburlapbarhopbishopcarhopentrapdollopgallophookuphanguplinkuplockupmakeupmarkupmishappileupreshiprevampscrimpshrimpteacupwallop
hyphen