a-ii aaaa aaac aaae aaai aaap aaca aacc aace aaci aaco aacp aaea aaec aaep aaic aaii aaoe aaoo aapa aapc aapi aapo acaa acac acae acai acap acca accc acce acci acco accp ace- acea acec aci- acia acic acie acip acoa acoe acop acpa acpe acpi aeac aeap aeci aeio aiai aica aicc aice aicp aiea aiee aiia aiic aioc aioi aipa aipe aipi aoca aoce aopo apac apai apao apap apca apcc apco apea apec apep api- apia apic apie apio apip apo- apoc apoe apoo apop appa appc caaa caac caap cac- caca cacc cace caci caco caec caei caia caic caio caip caoi capa capc cape capi capo capp ccaa ccac ccai ccap ccca cccc ccci cccp ccee ccic ccii ccip ccoc ccpa ccpe ccpp ceac cec- ceca cece ceci ceco cecp ceec ceip ceop cepa cepc cepe cepo cepp ciaa ciao cica cicc cici cico ciee ciia ciii cipa cipo cipp coai coca coce coco cocp coep coia coip coop copa cope copi copo copp cpaa cpac cpap cpca cpce cpea cpep cpia cpic cpio cppa eaca eacc eaec eaop eapc eapp ecaa ecac ecai ecao ecca eccc ecce ecci ecco ecip eco- ecop ecpa ecpp eeca eeea eeee eeoc eiao eica eico eiec eiei eipo epaa epac epcc epci epec epee epi- epia epic epie epip epoc eppa eppc eppo eppp iaaa iaac iaai iaap iaca iacc iacp iaea iaec iaep iaia iapa iapp icaa icac icai icao icap icca iccc icci icco iccp icea icec icee icoc icpa icpc icpo ieac iecc ieie ieio iepa iiac iica iiie iiii iiio iioi iioo iiop iipa ioci iocp ioee ioii ioio iooi iooo ipac ipca ipcc ipce ipea ipec ipie ipoe ipop ippa ippc ippo o-eo oaic oapi ocac ocap occa occc occi oce ocee ocpa ocpp oec- oeca oecc oeec oepa oici oiii oipc ooaa ooia oooo opap opca opec opei opep opia opic opie opii opio opo- oppa oppi oppo paap paca pace paci paco paea paec paep paia paie paio paip paoc papa pape papi papp pcaa pcae pcap pcca pccc pcce pcea pcep pcia pcip pcoa pcoe pcpp peac peai peap peca pece peci peco peec peep peia peio peip pepa pepe pepi pepo piai piao pica picc pice pici pico piea piep piia piip pipa pipe pipi pipo pipp poca poce poco poea poia poio poop pop- popa popc pope popi popo popp ppac ppap ppcc ppci ppic ppie ppoa pppa pppo pppp