a-ha aaaa aaaf aaah aaar aafa aaff aaha aaoo aara aaro aart aata aatf aatt afaa afao afar afat affa affo afft afoa afoo afor afr- afra afro afta ahah ahar ahat ahfa ahha ahoa ahor ahot ahra ahrr ahta ahto aoah aora aort aotf araf arah arar arat arfa arff arft arh- aroa aroo aror arr- arra arrh arro arrr arrt arta arth arto artr at-t ataa atar atat atha atho atof ator atot atra atro atta atto attr faaa faah fafa faff fafo faha fahr fara faro farr fart fata fatf fath fato fatt ffar ffff ffrr fftf foaf foar fofo fohr foof foot for- fora foro forr fort fota foth foto fott frat froh frot frta haaf haar haat haff haft haha haho haht haor hara harf harh haro harr hart hata hath hato hatt hhaa hhat hhhh hhof hoar hoat hoff hoha hoho hoof hoor hoot hora horo horr hort hota hoth hoto hotr hott hrta htoh htra httr oafo oara oath ofah off- offa offh offo offr ofor ofra ofta ohho ohoh ohra ohta ohto ooaa ooff ooha ooho oooh oooo oora oort orah orao orar orat orff oro- orof oror orot orra orro orta orth orto otar otha otho othr oto- otof otoh otoo otor otra otro otta otto raaf raat rafa raff raft raha rahr raht raoh rara rarf raro rata ratf rath rato ratt rhoa rhoh roaf roar roat roff rofo roha rohr roof roor root rora roro rort rota roth roto rotr rott rrah rrat rrrr taa- taaf taar taat tafa taff tafo taft taha taho tahr taoa taor tara tarf taro tarr tart tata tath tato tatr tatt tfot thaa thao thar that thof thoo thor thot thra thro thtr toat tofa toff tofo toft toho tooa toof tooh toor toot tora torf toro torr tort tota toth toto totr tott traa traf trao trat trfr troa troo trot trra trtr ttfa ttff tttt