a-ii aaaa aaac aaaf aaai aaap aaca aacc aacf aaci aacp aafa aafc aaff aafi aaic aaii aapa aapc aapi acaa acac acai acap acca accc accf acci accp acfc acfi aci- acia acic acif acip acpa acpi afaa afap afca afcc afci affa affc affi afia afif afpa afpc aiai aica aicc aicf aicp aiff aiia aiic aipa aipf aipi apac apai apap apca apcc apfa apfc api- apia apic apip appa appc caaa caac caaf caap cac- caca cacc caci cafa cafc caff caia caic caip capa capc capi capp ccaa ccac ccaf ccai ccap ccca cccc cccf ccci cccp ccfa ccfc ccff ccfi ccic ccii ccip ccpa ccpp cfaa cfac cfca cfcf cfia cfpa ciaa cica cicc cici cifa ciff ciia ciii cipa cipf cipp cpaa cpac cpaf cpap cpca cpff cpia cpic cpif cppa faaa faac faap faca facc facp fafa fafc faff fafi fapa fapp fcap fcca fccf fccp fcic fcii fcpa ffcc ffff ffii fiaa fiac fiaf fiap fica ficc fifa fifc fiff fifi fiii fipa fipp fp-c fpaa fpcc iaaa iaac iaai iaap iaca iacc iacp iafc iaff iafp iaia iapa iapf iapp icaa icac icaf icai icap icca iccc iccf icci iccp icpa icpc ifaa ifac ifcp ific ifpa iiac iica iifa iiii iipa iipf ipac ipaf ipca ipcc ipfc ippa ippc ippf paap paca paci pafa pafc paff paia paip papa papi papp pcaa pcaf pcap pcca pccc pcfc pcia pcip pcpp pfaa pfff pfic piaf piai pica picc pici pifa piff piia piip pipa pipi pipp ppac ppap ppcc ppci ppfa ppic ppif pppa pppp