a-ha aaaa aaah aaap aaar aaha aaoo aapa aaph aapo aara aaro aarp ahah ahar ahha ahoa ahop ahor ahra ahrr aoah aopo aora apah apao apap apar aph- apha apo- apoo apop apor appa apph appr apra apro arah arap arar arh- aroa aroo aror arpa arr- arra arrh arro arrr haar haha haho haor hapa happ hara harh haro harp harr hhaa hhhh hhpa hoap hoar hoha hoho hoop hoor hopa hopo hopp hora horo horr hpao hrap hrpp oahp oaph oara ohho ohoh ohra ooaa ooha ooho oooh oooo oora opah opap opar opo- opor oppa oppo opra orah orao orar oro- oror orph orra orro paap paar paha paho pahp paoh papa papp papr par- para paro parp parr phah phar phoh phoo phpa phrr poar poha pooh poop poor pop- popa popo popp pora poro porr ppap ppar ppoa pppa pppo pppp prao prar pro- proa proo prop raha rahr raoh raop rapa raph rapp rara raro rhap rhoa rhoh roap roar roha rohr roop roor ropa ropo rora roro rpho rrah rrrr