SOUFFLEED

de do ed ef el es fe lo od oe of os so us

dee def del doe dol dos due duo eds eel eff efs eld elf els fed fee fes feu flu foe fou fud led lee les leu ode ods oes off old ole ose oud see sel sod sol sou sue udo use

dees dele delf dels does doff dole dols dose duel dues duff duos eels effs elds else feds feed feel fees feod feud feus fled flee floe flue flus foes fold foul fuds fuel fuse lees leud lode lose loud lude lues luff odes offs olds oles ouds seed seel self sled sloe slue sold sole soul sued udos used