a-a a-t aaa aao aar aas aat aay aoa aoo aor aos aot ar- ara aro arr ars art ary as- asa aso asr ass ast asy at- ata ato atr ats att ay- aya ayo ayr ays ayt oaa oao oar oas oat oo- ooa ooo oor oos oot or- ora oro orr ors ort ory os- osa oso osr oss ost ot- ota oto otr ots ott oya oyo oys ra- raa rao rar ras rat ray roa roo ror ros rot roy rra rrr rrs rrt rsa rso rsr rss rst rta rto rtr rts rtt rty ry- rya ryo ryr rys ryy saa sao sar sas sat say soa soo sor sos sot soy sr- sra sro srr srs srt sry ss- ssa sso ssr sss sst sta sto str sts stt sty sy- sya syr sys syt taa tao tar tas tat tay to- toa too tor tos tot toy tra tro trr trs trt try tsa tso tsr tss tst tsy tta tto ttr tts ttt tty tya tyo tyr tys tyt yaa yao yar yas yat yay yoo yor yos yot yoy yra yro yrs yrt ysa yso ysr yss yst ysy yta yto ytr yts ytt yys yyt yyy