a-ii aaaa aaac aaae aaai aaap aaca aacc aace aaci aacp aaea aaec aaep aaic aaii aapa aapc aapi acaa acac acae acai acap acca accc acce acci accp ace- acea acec aci- acia acic acie acip acpa acpe acpi aeac aeap aeci aiai aica aicc aice aicp aiea aiee aiia aiic aipa aipe aipi apac apai apap apca apcc apea apec apep api- apia apic apie apip appa appc caaa caac caap cac- caca cacc cace caci caec caei caia caic caip capa capc cape capi capp ccaa ccac ccai ccap ccca cccc ccci cccp ccee ccic ccii ccip ccpa ccpe ccpp ceac cec- ceca cece ceci cecp ceec ceip cepa cepc cepe cepp ciaa cica cicc cici ciee ciia ciii cipa cipp cpaa cpac cpap cpca cpce cpea cpep cpia cpic cppa eaca eacc eaec eapc eapp ecaa ecac ecai ecca eccc ecce ecci ecip ecpa ecpp eeca eeea eeee eica eiec eiei epaa epac epcc epci epec epee epi- epia epic epie epip eppa eppc eppp iaaa iaac iaai iaap iaca iacc iacp iaea iaec iaep iaia iapa iapp icaa icac icai icap icca iccc icci iccp icea icec icee icpa icpc ieac iecc ieie iepa iiac iica iiie iiii iipa ipac ipca ipcc ipce ipea ipec ipie ippa ippc paap paca pace paci paea paec paep paia paie paip papa pape papi papp pcaa pcae pcap pcca pccc pcce pcea pcep pcia pcip pcpp peac peai peap peca pece peci peec peep peia peip pepa pepe pepi piai pica picc pice pici piea piep piia piip pipa pipe pipi pipp ppac ppap ppcc ppci ppic ppie pppa pppp