a-ii aaaa aaac aaae aaai aaap aaar aaca aacc aace aaci aacp aacr aaea aaec aaep aaic aaii aapa aapc aapi aara aarc aare aari aarp acaa acac acae acai acap acar acca accc acce acci accp ace- acea acec acer aci- acia acic acie acip acir acpa acpe acpi acpr acr- acra acrc acre acri acrr aeac aeap aeci aeer aer- aera aerc aeri aiai aica aicc aice aicp aicr aiea aiee aiia aiic aiir aipa aipe aipi aira aire airi airp apac apai apap apar apca apcc apcr apea apec apep aper api- apia apic apie apip appa appc appr apra aprc apre apri arac arae arai arap arar arc- arca arce arci area arec aree arei arep aria arie arii arip arpa arpe arpi arr- arra arrc arre arri arrr caaa caac caap cac- caca cacc cace caci cacr caec caei caer caia caic caip cair capa capc cape capi capp cara carc care cari carp carr ccaa ccac ccai ccap ccar ccca cccc ccci cccp ccee ccic ccii ccip ccir ccpa ccpe ccpp ccpr ccra ccrc ccre ccri ccrp ceac cear cec- ceca cece ceci cecp ceec ceip cepa cepc cepe cepp cepr cer- cera cerc cere ceri cerp ciaa ciar cica cicc cici cicr ciee cier ciia ciii cipa cipp cira circ cire ciri cirr cpaa cpac cpap cpca cpce cpea cpep cper cpia cpic cppa cpre cpri crac crai crap crar crca crcc crce crcr cre- crea crec cree crei crep cria cric crie crip crpc eaca eacc eaec eapc eapp eara eare earp ecaa ecac ecai ecar ecca eccc ecce ecci ecip ecpa ecpp ecra ecrc ecri ecrr eeca eeea eeee eera eerc eica eiec eiei eier eipr eira eire epaa epac epcc epci epec epee eper epi- epia epic epie epip eppa eppc eppp epra eprp erap erca ercc erce ercp erec erei erer eria eric erie erpa erpe erra errc erre iaaa iaac iaai iaap iaca iacc iacp iacr iaea iaec iaep iaia iapa iapp iara iarc iare icaa icac icai icap icar icca iccc icci iccp iccr icea icec icee icer icpa icpc icra icrc icre icrr ieac iecc ieie iepa iera iere ieri iiac iica iiie iiii iipa iira iirc ipac ipca ipcc ipce ipea ipec iper ipie ippa ippc ippr ipri irac irae irai irap irar irca ircc iree irer iri- iria iric irie irip irpa irpc irpe irra irrc irre irri paap paar paca pace paci paea paec paep paer paia paie paip pair papa pape papi papp papr par- para parc pare pari parp parr pcaa pcae pcap pcca pccc pcce pcea pcep pcer pcia pcip pcpp pcra pcrc pcre peac peai peap pear peca pece peci pecr peec peep peer peia peip peir pepa pepe pepi per- pera perc pere peri perp perr piai pica picc pice pici picr piea piep pier piia piip pipa pipe pipi pipp pira pirc pire piri pirr ppac ppap ppar ppcc ppci pper ppic ppie pppa pppp pprc prae prai prar prca prcc prcp pre- prec pree prep pri- pria prie prii prri rac- raca racc race raci raec raep raer raia raic raie raii raip rair rapa rapc rape rapi rapp rara rare rari rcac rccc rcep rcic rcpi rea- reac reae reap rear reca recc rece reci recp recr reep reia reii reir repe repi repp repr rera rere reri riaa riai rica ricc rice riep rier riia ripa ripe ripi ripp ripr rire riri rpca rpii rrrr