a-ii aaaa aaac aaai aaap aaar aaca aacc aaci aacp aacr aaic aaii aapa aapc aapi aara aarc aari aarp acaa acac acai acap acar acca accc acci accp aci- acia acic acip acir acpa acpi acpr acr- acra acrc acri acrr aiai aica aicc aicp aicr aiia aiic aiir aipa aipi aira airi airp apac apai apap apar apca apcc apcr api- apia apic apip appa appc appr apra aprc apri arac arai arap arar arc- arca arci aria arii arip arpa arpi arr- arra arrc arri arrr caaa caac caap cac- caca cacc caci cacr caia caic caip cair capa capc capi capp cara carc cari carp carr ccaa ccac ccai ccap ccar ccca cccc ccci cccp ccic ccii ccip ccir ccpa ccpp ccpr ccra ccrc ccri ccrp ciaa ciar cica cicc cici cicr ciia ciii cipa cipp cira circ ciri cirr cpaa cpac cpap cpca cpia cpic cppa cpri crac crai crap crar crca crcc crcr cria cric crip crpc iaaa iaac iaai iaap iaca iacc iacp iacr iaia iapa iapp iara iarc icaa icac icai icap icar icca iccc icci iccp iccr icpa icpc icra icrc icrr iiac iica iiii iipa iira iirc ipac ipca ipcc ippa ippc ippr ipri irac irai irap irar irca ircc iri- iria iric irip irpa irpc irra irrc irri paap paar paca paci paia paip pair papa papi papp papr par- para parc pari parp parr pcaa pcap pcca pccc pcia pcip pcpp pcra pcrc piai pica picc pici picr piia piip pipa pipi pipp pira pirc piri pirr ppac ppap ppar ppcc ppci ppic pppa pppp pprc prai prar prca prcc prcp pri- pria prii prri rac- raca racc raci raia raic raii raip rair rapa rapc rapi rapp rara rari rcac rccc rcic rcpi riaa riai rica ricc riia ripa ripi ripp ripr riri rpca rpii rrrr