a-do a-ii aaaa aaac aaad aaai aaap aaca aacc aacd aaci aaco aacp aada aadc aadi aaic aaii aaoo aapa aapc aapi aapo acaa acac acad acai acap acca accc accd acci acco accp acda acdc acdi acdp aci- acia acic acid acip acoa acod acop acpa acpd acpi adaa adac adad adai adao adap adcc adci adda addc addd addi addo adia adic adio adip adoc adod adoo adp- aiai aica aicc aicd aicp aida aidc aidi aiia aiic aiid aioc aioi aipa aipi aoca aopo apac apai apao apap apca apcc apcd apco apda apdd api- apia apic apid apio apip apo- apoc apod apoo apop appa appc appd c-cd caaa caac caap cac- caca cacc caci caco cada cadc cadd cadi cado caia caic caid caio caip caod caoi capa capc capd capi capo capp ccaa ccac ccad ccai ccap ccca cccc ccci cccp ccdc ccdi ccdp ccic ccid ccii ccip ccoc ccod ccpa ccpp cdaa cdac cdad cdai cdda cdic cdii cdio ciaa ciao cica cicc cici cico cida cidc cidi cidp ciia ciid ciii cipa cipo cipp coad coai coca coco cocp coda codd codi coia coip cood coop copa copd copi copo copp cpaa cpac cpad cpap cpca cpia cpic cpio cppa cppd daad daap daca daci dada dadi dado daia daid daio dapa dapi dapp dcca dccc dcci dccp dcia dcii dcio dcop dcpo dddd ddoc ddpo dia- diac diad diao diap dica dici dico dida didi dido diii dioc diop dipa dipc dipo dipp doap doca doci doco dod- doda dodd dodi dodo doid dood doop dopa dopo dopp dpaa dpac dpci dpcp dppa dppc iaaa iaac iaai iaap iaca iacc iacp iadc iaia iapa iapp icaa icac icad icai icao icap icca iccc icci icco iccp icdc icdd icdp icoc icod icpa icpc icpd icpo idad idca idda iddo idia idic idid idio idoc iiac iica iicd iida iiii iiio iioi iioo iiop iipa ioci iocp iod- ioda iodd iodo ioii ioio iooi iooo ipac ipad ipca ipcc ipdc ipdi ipid ipod ipop ippa ippc ippo oaic oapi ocac ocad ocap occa occc occi ocpa ocpd ocpp odac odai odci odda oddd oddi odia odic odio odoo odop oici oido oiii oipc ooaa ooda oodi ooia ooid oooo opap opca opia opic opii opio opo- oppa oppi oppo paap paca pacd paci paco pada padd padi pado paia paid paio paip paoc papa papi papp pcaa pcad pcap pcca pccc pcia pcip pcoa pcod pcpp pdac pdca pdci pdcp pdic pdoc pdpa piai piao pica picc pici pico pida pido piia piip pipa pipi pipo pipp poad poca pocd poco pod- poda podd podi podo poia poid poio pood poop pop- popa popc popi popo popp ppac ppad ppap ppcc ppcd ppci ppic ppid ppoa ppod pppa pppd pppo pppp