a-a a-c aaa aac aan aao aar aas aay ac- aca acc acn aco acr acs acy an- ana anc ann ano anr ans any aoa aoc aon aoo aor aos ar- ara arc arn aro arr ars ary as- asa asc asn aso asr ass asy ay- aya ayc ayn ayo ayr ays c-- caa cac can cao car cas cay cca ccc ccn cco ccr ccs cn- cna cnc cnn cno cnr cns cny co- coa coc con coo cor cos coy cra crc crn cro crr crs cry csa csc csn cso csr css csy cya cyc cyn cyo cyr cys naa nac nan nao nar nas nay nca ncc ncn nco ncr ncs nna nnc nnn nno nns no- noa noc non noo nor nos noy nra nrc nrn nro nrr nrs nry nsa nsc nsn nso nsr nss nsy nya nyc nyn nyo nys nyy oaa oac oan oao oar oas oc- oca occ ocn oco ocr ocs on- ona onc onn ono onr ons ony oo- ooa ooc oon ooo oor oos or- ora orc orn oro orr ors ory os- osa osc osn oso osr oss oya oyo oys ra- raa rac ran rao rar ras ray rca rcc rcn rco rcr rcs rna rnc rnn rno rnr rns rny roa roc ron roo ror ros roy rra rrc rrn rrr rrs rsa rsc rsn rso rsr rss ry- rya ryc ryn ryo ryr rys ryy saa sac san sao sar sas say sca scc scn sco scr scs sna snc snn sno snr sns sny soa soc son soo sor sos soy sr- sra src srn sro srr srs sry ss- ssa ssc ssn sso ssr sss sy- sya syc syn syr sys yaa yac yan yao yar yas yay yca ycc yco ycs ycy yna ynn yns yny yoc yon yoo yor yos yoy yra yrc yrn yro yrs ysa ysc yso ysr yss ysy yyc yys yyy