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 arax arh- aroa aroo aror arr- arra arrh arro arrr arrt arta arth arto artr artx at-t at-x ataa atar atat atax atha atho ator atot atra atro atrx atta atto attr axar axat axo- axoa axto axxo haar haat haha haho haht haor hara harh haro harr hart hata hath hato hatt haxo hhaa hhat hhhh hoar hoat hoax hoha hoho hoor hoot hoox hora horo horr hort hota hoth hoto hotr hott hoxa 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 oxa- oxo- oxox oxxo raat raha rahr raht raoh rara raro rata rath rato ratt raxa rhoa rhoh roar roat roha rohr roor root roox rora roro rort rota roth roto rotr rott roxa roxo rrah rrat rrrr taa- taar taat taha taho tahr taoa taor tara taro tarr tart tata tath tato tatr tatt tax- taxa taxo taxt thaa thao thar that thax thoo thor thot thra thro thtr toat toho tooa tooh toor toot tora toro torr tort torx tota toth toto totr tott tox- toxa toxo toxt traa trao trat trax troa troo trot trox trra trtr tttt txaa txtr xaar xara xoro xoth xoxo xtar xtra xtro xxxo xxxx