a-ak aaaa aaae aaap aaar aaea aaep aaka aake aapa aara aare aarp aeap aeer aeka aer- aera akaa akae akap akar akee aker akka akr- akra akre apak apap apar apea apep aper apke appa appr apra apre arae arak arap arar area aree arek arep arka arke arpa arpe arr- arra arre arrk arrr eapp eara eare earp eeea eeee eeka eeke eera eka- ekek eker ekka ekpe epaa epee eper eppa eppp epra eprp erap erer erke erpa erpe erra erre kaaa kaak kaap kaar kaep kaer kaka kake kakk kap- kapa kape kapp kara kare kark karp karr kea- keak keap kear keek keep keer keka keke kep- kepa kepe ker- kera kere kerk kerp kerr kkaa kkap kkar kkea kkkk kkpk kkre kkrk kkrr kpae kpak kpar kpek kper kpke kpkk kpkr kppk kppp kppr kpre kprk kprp kprr krae krak krap krar krea kree krek krka krke krkk krkr krpa krpr krre krrk krrr paak paap paar paea paep paer paka pake papa pape papp papr par- para pare park parp parr peak peap pear peek peep peer peka peke pekk pepa pepe per- pera pere perk perp perr ppap ppar pper pppa pppp prae prar pre- pree prek prep raak raep raer raka rake rakk rapa rape rapp rara rare rark rea- reae reak reap rear reek reep reka reke repe repp repr rera rere rrrr