a-ak a-do a-fu a-ok aaaa aaad aaaf aaar aada aadu aafa aafd aaff aaka aaku aaoo aara aard aaro aaru adaa adad adak adao adar adda addd addo addr addu adfa adod adok adoo ador adra adro adua aduk adur afaa afad afak afao afar affa affo afka afkr afoa afoo afor afr- afra afro afru afua afud akaa akao akar akka akko akku akok akr- akra akua aora aouf arad araf arak arar arau arda ardf ardo ardu arfa arff arfu arka arko aroa arod aroo aror arr- arra arrk arro arrr arru arua arud auaa audo aur- aura aurd auro daad daar daau dada dado dadu dafa daff dafo daka dako daku daou dara dard darf dark daro darr daru daud dauk daur dddd dfaf dffa dfrf doak doar dod- doda dodd dodo doff doka doko dood doof dook door dora dord dorf dork doro dorr doru doud douf douk dour draa drad draf drak drar drau drda drod drof drou drra drua druk druu duaa duad duar duda dudd dudo dudu duff dufu duka duku duo- dura durk duro duru duur f--k faaa faad fada fadd fado fafa faff fafo fako faku fara fard fark faro farr faru faud faur fdoa ffar ffff ffrr foad foaf foak foar foda fofo food foof fook for- fora ford fork foro forr foua foud four frad frak frau frou fuad fuar fuda fudd fuff fufu fuka fukk fuko fuku fuor fur- fura furo furr kaaa kaaf kaak kaar kad- kada kadd kadf kado kadr kadu kafa kaff kafr kafu kaka kakk kako kaku kaoa kaok kaor kara kard karf kark karo karr karu kau- kaud kauk kauo kaur kdaa kdad kdaf kdak kdao kdar kddd kddf kddk kddr kdfo kdfr kdka kdkd kdkk kdko kdkr kdok kdrf kdro kdur kfar kfda kffa kfff kffk kfka kfok kfoo kfor kfra kfrd kfro kfrr kfru kfuo kkaa kkar kkda kkdd kkdo kkfr kkkk kkoa kkoo kkor kkrf kkrk kkro kkrr kkua kkuu koak koar koda kodk kodo kodu kofa koff kofk kofo kofu koka kokf kokk koko kokr koku kook kooo koor koou kora kord korf kork koro korr koru koua kour kouu krad krak krar krda krdd krdo krdr krdu krfd krff krfo krka krkd krkk krko krkr krku kroa krod krof krok kroo kror krrf krrk krro krrr krua kruf kruk krur kuaf kuar kuau kuda kudd kudo kudu kufa kuff kufo kufr kuka kukk kuku kuoa kuok kuoo kura kurd kurk kuro kurr kuru kuuk kuur kuuu oaau oafo oara odda oddd odoo odor odou odra odur ofdr off- offa offo offr offu ofor ofra okak okka okko okok okor okra okro okur ooaa ooak ooda ooff ooku oooo oora oord orad orak orao orar orda ordo ordu orff orfu orka orko oro- orof orok oror orra orro ouad ouff our- oura ouro ouu- raad raaf raak rada radd rado radr radu rafa raff raka rakk raku raok rara rarf rark raro raua raud rauf rauk rdfa rkkf road roaf roak roar roda rodd rodo roff rofo roka rokk roko rokr roku rood roof rook roor rora rork roro roru roua roud rouf rouk rrad rrrr ruad ruda rudd rudo rufa ruff rufo ruka rukk ruku ruok rura rurd ruro ruru ruud uafa uaru uaua udaa udad udar udau udoo udra uduk uffa ufra ufuk ukaf ukko ukok ukra ukur uofa uofo uor- urad urao urau urda urdu urfa urff urka uro- uroa urok uroo urra uruk urur uuuu