a-do aaaa aaad aaar aada aadt aadu aaoo aara aard aaro aart aaru aata aatt adaa adad adao adar adat adda addd addo addr addu adod adoo ador adot adra adro adta adua adur aora aort aotd aout arad arar arat arau arda ardo ardu aroa arod aroo aror arr- arra arro arrr arrt arru arta arto artr arua arud arut at-t ataa atad atar atat atdt atod ator atot atra atro atru atta atto attr attu atua atur auaa audo aur- aura aurd auro aut- auto daad daar daau dada dado dadu daou dara dard daro darr dart daru data dato datr datt datu daud daur daut dddd ddot doar doat dod- doda dodd dodo dood door doot dora dord doro dorr dort doru dota dotd doto dott doud dour dout draa drad drar drat drau drda drod drot drou drra drua drut druu dtaa dtor dtot duaa duad duar duat duda dudd dudo dudu duo- dura duro durt duru duta duur duut oaau oara odda oddd odoo odor odot odou odra odtu odur ooaa ooda oooo oora oord oort orad orao orar orat orda ordo ordu oro- oror orot orra orro orta orto otar oto- otoo otor otra otro otta otto ottu otur ouad ouat our- oura ouro ourt out- outa outo ouu- raad raat rada radd rado radr radt radu rara raro rata rato ratt ratu raua raud raut road roar roat roda rodd rodo rood roor root rora roro rort roru rota roto rotr rott roua roud rout rrad rrat rrrr rtdt ruad ruda rudd rudo rura rurd ruro ruru ruta ruto rutt rutu ruud taa- taar taat tada tado taoa taor taou tara tard taro tarr tart taru tata tato tatr tatt tatu taua taur taut tdor tdra toad toat toau toda todd todo todt todu tooa tood toor toot tora tord toro torr tort toru tota totd toto totr tott tour tout traa trad trao trat trau troa trod troo trot trou trra trtr trud trut truu tttt tuao tuar tuat tudu tuor tura turd turo turr turt turu tuta tuto tutt tutu tuuo uart uaru uata uatu uaua udaa udad udar udau udoo udot udra uor- urad urao urat urau urda urdu uro- uroa uroo urra urur urut utau utor utto uttu uuta uuuu