a-ii aaaa aaac aaai aaap aaca aacc aaci aaco aacp aaic aaii aaoo aapa aapc aapi aapo acaa acac acai acap acca accc acci acco accp aci- acia acic acip acoa acop acpa acpi aiai aica aicc aicp aiia aiic aioc aioi aipa aipi aixa aixi aoca aopo apac apai apao apap apax apca apcc apco api- apia apic apio apip apix apo- apoc apoo apop apox appa appc appx axi- axia axo- axoa axxo caaa caac caap cac- caca cacc caci caco caia caic caio caip caix caoi capa capc capi capo capp capx caxa ccaa ccac ccai ccap ccca cccc ccci cccp ccic ccii ccip ccix ccoc ccpa ccpp ccxi ciaa ciao cica cicc cici cico ciia ciii cipa cipo cipp cixi coai coax coca coco cocp coia coip coix coop copa copi copo copp coxa cpaa cpac cpap cpca cpia cpic cpio cpix cpox cppa cxii cxix cxpo cxxi cxxx iaaa iaac iaai iaap iaca iacc iacp iaia iapa iapp iapx icaa icac icai icao icap icca iccc icci icco iccp icoc icpa icpc icpo iiac iica iiii iiio iioi iioo iiop iipa ioci iocp ioii ioio iooi iooo ipac ipca ipcc ipix ipop ippa ippc ippo ixia ixxi oaic oapi ocac ocap occa occc occi ocpa ocpp oici oiii oipc ooaa ooia oooo opap opca opia opic opii opio opo- oppa oppi oppo oxa- oxi- oxia oxic oxo- oxox oxxo paap paca paci paco pacx paia paio paip paix paoc paox papa papi papp paxi paxo pcaa pcap pcca pccc pcia pcip pcoa pcpp piai piao pica picc pici pico piia piip pipa pipi pipo pipp pixo pixx poca poco poia poio poix poop pop- popa popc popi popo popp ppac ppap ppcc ppci ppic ppoa pppa pppo pppp xapi xapo xcii xiao xiap xica xico xiii xixi xoca xoco xoxo xpac xpax xpcc xxii xxix xxxi xxxo xxxx