a-ii a-ya a-yo aaaa aaai aaap aaii aaoo aapa aapi aapo aiai aiia aioi aipa aipi aipy aixa aixi aopo apai apao apap apax apay api- apia apio apip apix apo- apoo apop apox appa appx appy axi- axia axo- axoa axxo ay-o ayao ayay ayoo ayya iaaa iaai iaap iaia iapa iapp iapx iiii iiio iioi iioo iiop iipa ioii ioio iooi iooo ipix ipop ippa ippo ippy ixia ixxi iyai oapi oiii ooaa ooia oooo opap opia opii opio opo- oppa oppi oppo oppy oxa- oxi- oxia oxo- oxox oxxo oxy- oypa paap paia paio paip paix paox papa papi papp papy paxi paxo pay- paya payp piai piao piia piip pipa pipi pipo pipp pipy pixo pixx pixy piya piyo poia poio poix poop pop- popa popi popo popp popy poxy poya poyo ppap ppoa pppa pppo pppp pyao pyay pyo- pypy xapi xapo xiao xiap xiii xixi xoxo xoyo xpax xxii xxix xxxi xxxo xxxx xxxy yaoi yapa yapp yaxa yaxi yaya yayo yoax yoix yoop yopo yopy yoyo ypoa yyyy