a-do a-ii aaaa aaad aaai aaar aada aadi aadt aaii aaoo aara aard aari aaro aart aata aatt adaa adad adai adao adar adat adda addd addi addo addr adia adio adir adit adod adoo ador adot adra adro adta aiai aida aidi aidr aidt aiia aiid aiir aioi aira aird airi airo airt aita aiti aitr aitt aora aort aotd arad arai arar arat arda ardi ardo aria arid arii ario arit aroa arod aroi aroo aror arr- arra arri arro arrr arrt arta arti arto artr at-t ataa atad atai atar atat atdi atdt atia atid atit atod atoi ator atot atra atri atro atta atti atto attr daad daar dada dadi dado daia daid daio dair dait dara dard dari daro darr dart data dati dato datr datt dddd ddot dia- diad diao diar diat dida didi dido diii dior diot dira dird dirr dirt dita diti dito ditt doar doat dod- doda dodd dodi dodo doid doit dood door doot dora dord dori doro dorr dort dota dotd doti doto dott draa drad drar drat drda drit drod drot drra dtaa dtor dtot iaaa iaai iaat iadt iaia iara iart iata iati idad idar idat idda iddo idia idid idio idir idra idro idta iida iiii iiio iiit iioi iioo iira iita iitr iitt iod- ioda iodd iodo ioii ioio ioit iooi iooo iora iori iota ioto irad irai irao irar irda irdo iri- iria irid irio irod irra irri irta irti itaa itai itar itat itdo itia itoi itoo itor itra itri itta itto oara odai odda oddd oddi odia odio odir odoo odor odot odra oido oiii oira oirt oita oiti ooaa ooda oodi ooia ooid oooo oora oord oort orad orai orao orar orat orda ordo ori- oria orid orio orit oro- oror orot orra orri orro orta orto otar otit oto- otoo otor otra otro otta otti otto raad raat rada radd rado radr radt raia raid raii rair rait rara rari raro rata rati rato ratt rdio riaa riad riai riat rida ridd ridi rido riia riot riri rita riti rito ritt road roar roat roda rodd rodi rodo roia roid roio roir roit rood rooi roor root rora rori roro rort rota roti roto rotr rott rrad rrat rrrr rtai rtdt taa- taar taat tada tado taia taio tair tait taoa taor tara tard tari taro tarr tart tata tati tato tatr tatt tdor tdra tdri tiaa tiao tiar tidd tiit tira tird tiri tiro tirr tita titi tito titt toad toat toda todd todi todo todt toid toit tooa tood toor toot tora tord tori toro torr tort tota totd toti toto totr tott traa trad trai trao trat tri- tria trio trit troa trod troi troo trot trra trtr tttt