a-ha aaaa aaah aaar aaha aaoo aara aaro aart aata aatt ahah ahar ahat ahha ahoa ahor ahot ahra ahrr ahta ahto aoah aora aort arah arar arat arh- aroa aroo aror arr- arra arrh arro arrr arrt arta arth arto artr at-t ataa atar atat atha atho ator atot atra atro atta atto attr haar haat haha haho haht haor hara harh haro harr hart hata hath hato hatt hhaa hhat hhhh hoar hoat hoha hoho hoor hoot hora horo horr hort hota hoth hoto hotr hott hrta htoh htra httr oara oath ohho ohoh ohra ohta ohto ooaa ooha ooho oooh oooo oora oort orah orao orar orat oro- oror orot orra orro orta orth orto otar otha otho othr oto- otoh otoo otor otra otro otta otto raat raha rahr raht raoh rara raro rata rath rato ratt rhoa rhoh roar roat roha rohr roor root rora roro rort rota roth roto rotr rott rrah rrat rrrr taa- taar taat taha taho tahr taoa taor tara taro tarr tart tata tath tato tatr tatt thaa thao thar that thoo thor thot thra thro thtr toat toho tooa tooh toor toot tora toro torr tort tota toth toto totr tott traa trao trat troa troo trot trra trtr tttt