a-do a-ii aaaa aaad aaai aaar aada aadi aadu aaii aaoo aara aard aari aaro aaru adaa adad adai adao adar adda addd addi addo addr addu adia adio adir adod adoo ador adra adro adua adur aiai aida aidi aidr aidu aiia aiid aiir aioi aira aird airi airo aiud aiui aora arad arai arar arau arda ardi ardo ardu aria arid arii ario aroa arod aroi aroo aror arr- arra arri arro arrr arru arua arud arui auaa audi audo aur- aura aurd auri auro daad daar daau dada dadi dado dadu daia daid daio dair daou dara dard dari daro darr daru daud daur dddd dia- diad diao diar dida didi dido didu diii dior diou dira dird dirr doar dod- doda dodd dodi dodo doid dood door dora dord dori doro dorr doru doud dour draa drad drar drau drda drod drou drra drua drui druu duaa duad duar duda dudd dudo dudu duid duir duo- dura duri duro duru duur iaaa iaai iaia iara iaru idad idar idda iddo idia idid idio idir idra idro iduo iida iiii iiio iioi iioo iira iod- ioda iodd iodo ioii ioio iooi iooo iora iori irad irai irao irar irda irdo iri- iria irid irio irod irra irri iuiu iura oaau oara odai odda oddd oddi odia odio odir odiu odoo odor odou odra odur oido oiii oira ooaa ooda oodi ooia ooid oooo oora oord orad orai orao orar orda ordo ordu ori- oria orid orio oro- oror orra orri orro ouad ouii ouir our- oura ouro ouu- raad rada radd rado radr radu raia raid raii rair raiu rara rari raro raua raud rdio riaa riad riai riau rida ridd ridi rido riia riou riri road roar roda rodd rodi rodo roia roid roio roir roiu rood rooi roor rora rori roro roru roua roud rrad rrrr ruad ruda rudd rudi rudo ruid rura rurd ruri ruro ruru ruud uair uaru uaua udaa udad udar udau uddi udid udir udoo udra uira uirr uor- urad urai urao urau urda urdu uria uriu uro- uroa uroo urra urri urur uuri uuuu