a-ha a-ii a-ya a-yo aaaa aaah aaai aaap aaha aaii aaoo aapa aaph aapi aapo ahah ahai ahha ahio ahip ahoa ahop ahoy aiai aiha aiho aiia aioi aipa aiph aipi aipy aixa aixi aoah aopo apah apai apao apap apax apay aph- apha api- apia apio apip apix apo- apoo apop apox appa apph appx appy axi- axia axo- axoa axxo ay-o ayah ayao ayay ayoo ayya h-ii haha haho hapa hapi happ haxi haxo haya hhaa hhhh hhip hhpa hiaa hihi hiho hipo hipp hiya hiyo hoai hoap hoax hoay hoha hoho hoip hoix hoop hoox hopa hopi hopo hopp hopx hopy hoxa hoya hoyi hpao hyo- hyp- hyph hypo hypy iaaa iaai iaap iaia iapa iapp iapx ihop ihpa iiii iiio iioi iioo iiop iipa ioii ioio iooi iooo ipix ipoh ipop ippa ippo ippy ixia ixxi iyai oahp oaph oapi ohai ohhi ohho ohia ohio ohoh ohyo oiii ooaa ooha ooho ooia oooh oooo opah opap ophi opia opii opio opo- oppa oppi oppo oppy oxa- oxi- oxia oxo- oxox oxxo oxy- oypa paap paha pahi paho pahp paia paio paip paix paoh paox papa papi papp papy paxi paxo pay- paya payp phah phai phi- phip phoh phoo phox phpa piai piao piha piia piip pipa pipi pipo pipp pipy pixo pixx pixy piya piyo poha poia poio poix pooh poop pop- popa popi popo popp popy poxy poya poyo ppap pphi ppih ppoa pppa pppo pppp pyao pyay pyo- pypy xapi xapo xhhp xhoi xiah xiao xiap xiii xiph xixi xoxo xoyo xpax xxii xxix xxxi xxxo xxxx xxxy yahi yaho yaoi yapa yapp yaxa yaxi yaya yayo yoax yoho yoix yoop yopo yopy yoyo ypoa yyyy