-vac a-ii a-iv aaaa aaac aaai aaap aaav aaca aacc aaci aacp aacv aaic aaii aapa aapc aapi aava acaa acac acai acap acca accc acci accp aci- acia acic acip acpa acpi acvv aiai aica aicc aicp aiia aiic aipa aipi aiva apac apai apap apca apcc api- apia apic apip appa appc avcc avia avic avip aviv avva caaa caac caap cac- caca cacc caci caia caic caip capa capc capi capp cava cavi ccaa ccac ccai ccap ccca cccc ccci cccp cccv ccic ccii ccip cciv ccpa ccpp ccvi ciaa cica cicc cici ciia ciii cipa cipp civa civc cpaa cpac cpap cpca cpia cpic cppa cpvc cvac cvca cvcc cvii iaaa iaac iaai iaap iaca iacc iacp iaia iapa iapp iava icaa icac icai icap icca iccc icci iccp icpa icpc iiac iica iiii iipa ipac ipca ipcc ippa ippc ivai ivic paap paca paci paia paip papa papi papp pava pcaa pcap pcca pccc pcia pcip pcpp piai pica picc pici piia piip pipa pipi pipp piva ppac ppap ppcc ppci ppic pppa pppp pvpa vaca vaia vapa vapi vava vcci vic- vica vici viii viva vivi vvvv