a-do a-ii aaaa aaad aaai aaar aada aadi aaii aaoo aara aard aari aaro adaa adad adai adao adar adda addd addi addo addr adia adio adir adod adoo ador adra adro aiai aida aidi aidr aiia aiid aiir aioi aira aird airi airo aora arad arai arar arda ardi ardo aria arid arii ario aroa arod aroi aroo aror arr- arra arri arro arrr daad daar dada dadi dado daia daid daio dair dara dard dari daro darr dddd dia- diad diao diar dida didi dido diii dior dira dird dirr doar dod- doda dodd dodi dodo doid dood door dora dord dori doro dorr draa drad drar drda drod drra iaaa iaai iaia iara idad idar idda iddo idia idid idio idir idra idro 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 oara odai odda oddd oddi odia odio odir odoo odor odra oido oiii oira ooaa ooda oodi ooia ooid oooo oora oord orad orai orao orar orda ordo ori- oria orid orio oro- oror orra orri orro raad rada radd rado radr raia raid raii rair rara rari raro rdio riaa riad riai rida ridd ridi rido riia riri road roar roda rodd rodi rodo roia roid roio roir rood rooi roor rora rori roro rrad rrrr