SULFOXIDE

de do ed ef el es ex fe id if is li lo od oe of oi os ox si so us xi xu

def del dex die dif dis doe dol dos due dui duo eds efs eld elf els fed fes feu fid fie fil fix flu foe fou fox fud ids ifs led lei les leu lex lid lie lis lox lux ode ods oes oil old ole ose oud sei sel sex six sod sol sou sox sue udo use xis

defi deil delf deli dels diel dies difs diol does dole dols dose doux duel dues duos elds feds feod feud feus fido fids file filo fils fled flex floe flue flus flux foes foil fold foul fuds fuel fuse ides idle idol ilex isle leis leud lido lids lied lief lies lieu life lode loid lose loud lude lues luxe odes oils olds oles ouds oxes oxid seif self side sild silo sled slid sloe slue soil sold sole soli soul sued udos used