dddd dod- dodd dodo doff domm domn domo dond donn dono dood doof doom doon doud douf doum doun dudd dudo dudu duff dufu dumm dunn duno duo- duon fdnm fdom ffff ffun fmno fmod fndd fndn fnuf fofo fomo fond fono food foof foom foon foud foun fudd fuff fufu fumo fund funf mddm mdmf mdud mfou mmdf mmfd mmff mmmd mmmm mmod mmun mndo modd modo modu moff mofo mofu momo momu mon- mond monn mono monu mood moon moud mouf moun mudd mudu muff mufu mumm mumo mumu mund munn muno munu muon nddo ndom nfff nfon nmff nmon nnnn nodo nodu nom- nomo nomu non- nonn nono nonu noo- noon nooo noun nudd nudo nuff numm numu nunn nuno nuon oddd odom odon odoo odou odum off- offo offu ofno omn- omo- omon omoo omuo ondo onno onod onon ooff oooo ouff oun- ound ouu- udon udoo udun umff ummo umno undo unfd unno unon unum uofm uofo uomo uuno uuuu