a-ha aaaa aaah aaap aaar aaav aaha aaoo aapa aaph aapo aara aaro aarp aava ahah ahar ahha ahoa ahop ahor ahra ahrr ahva 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 arva arvo avao avar avor avra avro avva avvo haar haha haho haor hapa happ hara harh haro harp harr harv hava hhaa hhhh hhpa hoap hoar hoha hoho hoop hoor hopa hopo hopp hora horo horr hova hpao hrap hrpp hvar oahp oaph oara ohho ohoh ohra ooaa ooha ooho oooh oooo oora opah opap opar opo- opor oppa oppo opra orah orao orar orav oro- oror orph orra orro orvr ovar ovo- ovoo ovpp ovra paap paar paha paho pahp paoh papa papp papr par- para paro parp parr parv pava pavo phah phar phoh phoo phpa phrr poar poha pooh poop poor pop- popa popo popp pora poro porr povo ppap ppar ppoa pppa pppo pppp prao prar pro- proa proo prop prov pvpa raha rahr raoh raop rapa raph rapp rara raro rava rhap rhoa rhoh roap roar roha rohr roop roor ropa ropo rora roro rova rovo rpho rrah rrrr rvvh vaar vaho vahp vapa vara varp varr vava vhhh voar voho voor vor- vora voro vpro vrap vrav vvvv