a-a a-c aaa aac aao aar aas aav aay ac- aca acc aco acr acs acv acy aoa aoc aoo aor aos aov ar- ara arc aro arr ars arv ary as- asa asc aso asr ass asv asy av- ava avc avo avr avs avy ay- aya ayc ayo ayr ays c-- caa cac cao car cas cav cay cca ccc cco ccr ccs ccv co- coa coc coo cor cos cov coy cra crc cro crr crs crv cry csa csc cso csr css csv csy cva cvc cvo cvr cvs cvv cya cyc cyo cyr cys oaa oac oao oar oas oav oc- oca occ oco ocr ocs ocv oo- ooa ooc ooo oor oos oov or- ora orc oro orr ors orv ory os- osa osc oso osr oss osv ov- ova ovc ovo ovs ovv oya oyo oys ra- raa rac rao rar ras rav ray rca rcc rco rcr rcs rcv roa roc roo ror ros rov roy rra rrc rrr rrs rsa rsc rso rsr rss rsv rva rvc rvo rvr rvs rvv rvy ry- rya ryc ryo ryr rys ryy saa sac sao sar sas sav say sca scc sco scr scs scv soa soc soo sor sos sov soy sr- sra src sro srr srs srv sry ss- ssa ssc sso ssr sss ssv sva svc svo svr svs svv svy sy- sya syc syr sys v-a vaa vac vao var vas vav vay vca vcc vco vcr vcs vcy voa voc voo vor vos vov voy vra vrc vrr vrs vry vsa vsc vso vsr vss vsv vva vvc vvo vvr vvs vvv yaa yac yao yar yas yav yay yca ycc yco ycs ycv ycy yoc yoo yor yos yoy yra yrc yro yrs ysa ysc yso ysr yss ysy yva yvo yvr yvy yyc yys yyy