a-do a-fu aaaa aaad aaaf aaar aada aadt aadu aafa aafd aaff aaoo aara aard aaro aart aaru aata aatf aatt adaa adad adao adar adat adda addd addo addr addu adfa adod adoo ador adot adq- adra adro adta adua adur afaa afad afao afaq afar afat affa affo afft afoa afoo afor afqa afqt afqu afr- afra afro afru afta afua afud aora aort aotd aotf aouf aout aqar aqda aqof aqra aqu- aqua aquo arad araf araq arar arat arau arda ardf ardo ardu arfa arff arft arfu aroa arod aroo aror arq- arqa arr- arra arro arrr arrt arru arta arto artr arua arud aruq arut at-t ataa atad ataq atar atat atdt atfq atod atof 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 dafa daff dafo daft daou dara dard darf daro darr dart daru data dato datr datt datu daud daur daut dddd ddot dfaf dfdt dffa dfrf dftr doar doat dod- doda dodd dodo doff dood doof door doot dora dord dorf doro dorr dort doru dota dotd doto dott doud douf dour dout draa drad draf drar drat drau drda drod drof drot drou drra drua drut druu dtaa dtor dtot duaa duad duar duat duda dudd dudo dudu duff dufu duo- duqu dura duro durt duru duta duur duut faaa faad fada fadd fado fafa faff fafo fara fard faro farr fart faru fata fatf fato fatt faud faur faut fdoa fdot ffar ffff ffrr fftf foad foaf foar foda fofo food foof foot for- fora ford foro forr fort fota foto fott foua foud four fout frad frat frau frot frou frta fuad fuar fuat fuda fudd fuff fufu fuor fur- fura furo furr furt futa futo futu oaau oafo oara odda oddd odoo odor odot odou odra odtu odur ofdr off- offa offo offr offu ofor ofra ofta ooaa ooda ooff oooo oora oord oort orad orao orar orat orda ordo ordu orff orfu oro- orof oror orot orra orro orta orto otar oto- otof otoo otor otra otro otta otto ottu otur ouad ouat ouff our- oura ouro ourt out- outa outo outq ouu- qaaf qada qadr qafa qara qaru qdro qotd qqqq qtar quaa quad quar quat quft qufu quod quor quot qurd quro quu- raad raaf raat rada radd rado radr radt radu rafa raff raft raqt rara rarf raro rata ratf rato ratt ratu raua raud rauf raut rdfa road roaf roar roat roda rodd rodo roff rofo rood roof roor root rora roro rort roru rota roto rotr rott roua roud rouf rout rqda rrad rrat rrrr rtdt ruad ruda rudd rudo rufa ruff rufo ruft rura rurd ruro ruru ruta ruto rutt rutu ruud taa- taaf taar taat tada tado tafa taff tafo taft taoa taor taou taqa taqu tara tard tarf taro tarq tarr tart taru tata tato tatr tatt tatu taua taur taut tdff tdor tdra tfot toad toat toau toda todd todo todt todu tofa toff tofo toft tofu tooa tood toof toor toot tora tord torf toro torq torr tort toru tota totd toto totr tott tour tout traa trad traf trao trat trau trfd trfr troa trod troo trot trou trra trtr trud trut truu ttfa ttff tttt tuao tuar tuat tudu tufa tuff tufo tuft tufu tuor tura turd turf turo turr turt turu tuta tuto tutt tutu tuuo uafa uart uaru uata uatu uaua udaa udad udar udau udoo udot udra uffa ufra uofa uofo uor- uqao uqar uqat urad urao urat urau urda urdu urfa urff urft uro- uroa uroo urra uruq urur urut utau utfo utor utto uttu utuq uuta uutf uuuu