a-ak a-ok aaaa aaae aaap aaea aaep aaka aake aaoe aaoo aapa aapo aeap aeka akaa akae akao akap akee akka akko akok akpo aokp aopo apak apao apap apea apep apke apo- apoe apoo apop appa eaop eapp eeea eeee eeka eeke eka- ekek ekka ekoa ekpe ekpo eoka epaa epee eppa eppo eppp kaaa kaak kaap kaeo kaep kaka kake kakk kako kaoa kaok kap- kapa kape kapo kapp kea- keak keap keek keep keka keke keko keok kep- kepa kepe kkaa kkap kkea kkkk kkoa kkoo kkpk koae koak koap koea koka koke kokk koko kokp kook kooo koop kopa kope kopp kpae kpak kpao kpek kpke kpkk kpoa kpoe kpok kpoo kpop kppk kppo kppp o-eo oake oepa okak okap okka okko okok okpe okpo ooaa ooak oooo opap opep opo- oppa oppo paak paap paea paep paka pake pako papa pape papp peak peap peek peep peka peke pekk peko pepa pepe pepo poak poea poka poke poko pook poop pop- popa pope popo popp ppap ppoa pppa pppo pppp