a-a a-c aaa aac aak aao aap aar aav aay ac- aca acc ack aco acp acr acv acy aka akc akk ako akp akr akv aoa aoc aok aoo aop aor aov ap- apa apc apk apo app apr apv apy ar- ara arc ark aro arp arr arv ary av- ava avc avk avo avp avr avy ay- aya ayc ayk ayo ayp ayr c-- caa cac cak cao cap car cav cay cca ccc cck cco ccp ccr ccv cka ckc cko cky co- coa coc cok coo cop cor cov coy cpa cpc cpk cpo cpp cpr cpv cra crc crk cro crp crr crv cry cva cvc cvk cvo cvp cvr cvv cya cyc cyk cyo cyp cyr ka- kaa kac kak kao kap kar kav kay kca kcc kck kcp kcr kkc kkk kkp kkr kkv kky koa koc kok koo kop kor koy kpa kpc kpk kpo kpp kpr kpv kra krc krk kro krp krr krv kry kva kvk kvo kvp kvr kvv kya kyc kyo kyp kyr oaa oac oak oao oap oar oav oc- oca occ ock oco ocp ocr ocv oka okc okk oko okp okr oo- ooa ooc ook ooo oop oor oov op- opa opc opk opo opp opr opv opy or- ora orc ork oro orp orr orv ory ov- ova ovc ovo ovp ovv oya oyo p-p paa pac pak pao pap par pav pay pca pcc pck pco pcp pcr pcv pka pkc pko pkp pkr pky poa poc pok poo pop por pov poy ppa ppc ppk ppo ppp ppr ppv pra prc prk pro prp prr prv pry pva pvc pvk pvo pvp pvr pvv py- pya pyc pyk pyo pyr ra- raa rac rak rao rap rar rav ray rca rcc rco rcp rcr rcv rkc rkk rko rkp rkv rky roa roc rok roo rop ror rov roy rpa rpc rpk rpo rpp rpr rpv rra rrc rrk rrp rrr rva rvc rvo rvp rvr rvv rvy ry- rya ryc ryk ryo ryr ryy v-a vaa vac vak vao vap var vav vay vca vcc vco vcp vcr vcy vka vkp voa voc vok voo vop vor vov voy vpa vpc vpk vpo vpp vpr vra vrc vrk vrp vrr vry vva vvc vvo vvr vvv vyp yaa yac yak yao yap yar yav yay yca ycc yco ycp ycv ycy yka ykk yoc yok yoo yop yor yoy ypa ypo yra yrc yro yrp yva yvo yvr yvy yyc yyy