a-a aaa aan aao aar aas aay an- ana ann ano anr ans any aoa aon aoo aor aos ar- ara arn aro arr ars ary as- asa asn aso asr ass asy ay- aya ayn ayo ayr ays naa nan nao nar nas nay nna nnn nno nns no- noa non noo nor nos noy nra nrn nro nrr nrs nry nsa nsn nso nsr nss nsy nya nyn nyo nys nyy oaa oan oao oar oas on- ona onn ono onr ons ony oo- ooa oon ooo oor oos or- ora orn oro orr ors ory os- osa osn oso osr oss oya oyo oys ra- raa ran rao rar ras ray rna rnn rno rnr rns rny roa ron roo ror ros roy rra rrn rrr rrs rsa rsn rso rsr rss ry- rya ryn ryo ryr rys ryy saa san sao sar sas say sna snn sno snr sns sny soa son soo sor sos soy sr- sra srn sro srr srs sry ss- ssa ssn sso ssr sss sy- sya syn syr sys yaa yan yao yar yas yay yna ynn yns yny yon yoo yor yos yoy yra yrn yro yrs ysa yso ysr yss ysy yys yyy