lloro loloru lonnol lontor looloo lorton loulon loulou lourlo loutou loutro lunlun lurton lurulu lutton n-toon non-no nonono nonoon noonoo noonor noonto norton notour notout notron notton nottoo notulu noturn nounou ntuntu null-o nullor nunton nurton nurulu ollunt oloron olorun onroll ontour oooooo oroton orrour ortulu ottoor oulton ouolon ouroun ourton outlot outoul outour outrun outtro rollon rollot ronnon ronron rooton rotolo rotour rotout rotrou rotton rotulo rounou routot run-on runout runton rurutu rutour ruurlo to-on tollon tolono tolton toluol tonlon tonono tonoro tonour tonton tootoo tororo tortor tortou totnor totoro totrot toulon touron tourou touton toutou toutuo trollt tronto trotro trullo truont tuntul tuotuo turnon turnor turnto turron turton turtur tururu tutour tutton tuttul tuttut u-turn ulloor ultron unlull unroll unroot untorn unturn urturn utnoor utroor uutool