a-do a-ii aaaa aaad aaaf aaai aaar aada aadi aadt aafa aafd aaff aafi aaii aaoo aara aard aari aaro aart aata aatf aatt adaa adad adai adao adar adat adda addd addi addo addr adfa adia adif adio adir adit adod adoo ador adot adra adro adta afaa afad afao afar afat affa affi affo afft afia afid afif afir afit afoa afoo afor afr- afra afri afro afta aiai aida aidi aidr aidt aifd aiff aiia aiid aiir aioi aira aird airi airo airt aita aitf aiti aitr aitt aora aort aotd aotf arad araf arai arar arat arda ardf ardi ardo arfa arff arft aria arid arif 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 atif atit atod atof atoi ator atot atra atri atro atta atti atto attr daad daar dada dadi dado dafa daff dafi dafo daft daia daid daio dair dait dara dard darf dari daro darr dart data dati dato datr datt dddd ddot dfaf dfdt dffa dfrf dfri dftr dia- diad diaf diao diar diat dida didi dido dif- difa diff diii dior diot dira dird dirr dirt dita diti dito ditt doar doat dod- doda dodd dodi dodo doff doid doit dood doof door doot dora dord dorf dori doro dorr dort dota dotd doti doto dott draa drad draf drar drat drda drif drit drod drof drot drra dtaa dtor dtot faaa faad fada fadd fadi fado fafa faff fafi fafo faid faio fair fait fara fard faro farr fart fata fatf fati fato fatt fdoa fdot fdti ffar ffff ffii ffrr fftf fiaa fiad fiaf fiar fiat fida fidf fido fifa fiff fifi fifo fift fiii fior fira fita fiti fitt foad foaf foar foda fofo foia foid food foof foot for- fora ford fori foro forr fort fota foti foto fott frad frat fria frid frio frit frot frta ftdi ftii iaaa iaai iaat iadt iaff iaia iara iart iata iati idad idar idat idda iddo idfa idia idid idio idir idra idrf idro idta ifaa ifao ifar ifat ifda ifid ifit ifor ifra ifrf ifri ifta ifto iida iifa iiii iiio iiit iioi iioo iira iita iitr iitt iod- ioda iodd iodo ioii ioio ioit ioof iooi iooo iora iori iota iotf ioto irad iraf irai irao irar irda irdo iri- iria irid irio irod irra irri irta irtf irti itaa itaf itai itar itat itdo itfa itia itif itof itoi itoo itor itra itrf itri itta ittf itto oafo oara odai odda oddd oddi odia odio odir odoo odor odot odra ofdr off- offa offo offr ofid ofit ofor ofra ofta oido oiii oira oirt oita oiti ooaa ooda oodi ooff ooia ooid oooo oora oord oort orad orai orao orar orat orda ordo orff orfi ori- oria orid orif orio orit oro- orof oror orot orra orri orro orta orto otar otif otit oto- otof otoo otor otra otro otta otti otto raad raaf raat rada radd rado radr radt rafa raff rafi raft raia raid raif raii rair rait rara rarf rari raro rata ratf rati rato ratt rdfa rdio rfdi rfid riaa riad riai riat rida ridd ridi rido rifa riff rift riia riif riot riri rita riti rito ritt road roaf roar roat roda rodd rodi rodo roff rofo roia roid roif roio roir roit rood roof rooi roor root rora rori roro rort rota roti roto rotr rott rrad rrat rrif rrrr rtai rtdt taa- taaf taar taat tada tado tafa taff tafi tafo taft taia taio tair tait taoa taor tara tard tarf tari taro tarr tart tata tati tato tatr tatt tdff tdor tdra tdri tfot tiaa tiaf tiao tiar tidd tifa tiff tifo tift tiit tira tird tiri tiro tirr tita titi tito titt toad toat toda todd todi todo todt tofa toff tofi tofo toft toid toit tooa tood toof toor toot tora tord torf tori toro torr tort tota totd toti toto totr tott traa trad traf trai trao trat trfd trfr tri- tria trif trio trit troa trod troi troo trot trra trtr ttfa ttff tttt