a-a aaa aaf aan aao aar aas aay af- afa aff afn afo afr afs afy an- ana anf ann ano anr ans any aoa aof aon aoo aor aos ar- ara arf arn aro arr ars ary as- asa asf asn aso asr ass asy ay- aya ayf ayn ayo ayr ays faa faf fan fao far fas fay ffa fff ffn ffo ffr ffs ffy fna fnf fnn fnr fns foa fof fon foo for fos foy fra frf frn fro frr frs fry fsa fsf fsn fso fsr fss fy- fya fyn fyo naa naf nan nao nar nas nay nfa nff nfn nfo nfr nfs nna nnf nnn nno nns no- noa nof non noo nor nos noy nra nrf nrn nro nrr nrs nry nsa nsf nsn nso nsr nss nsy nya nyf nyn nyo nys nyy oaa oaf oan oao oar oas of- ofa off ofn ofo ofr ofs on- ona onf onn ono onr ons ony oo- ooa oof oon ooo oor oos or- ora orf orn oro orr ors ory os- osa osf osn oso osr oss oya oyo oys ra- raa raf ran rao rar ras ray rfa rff rfn rfo rfr rfs rna rnn rno rnr rns rny roa rof ron roo ror ros roy rra rrf rrn rrr rrs rsa rsf rsn rso rsr rss ry- rya ryf ryn ryo ryr rys ryy saa saf san sao sar sas say sfa sff sfn sfo sfr sfs sna snf snn sno snr sns sny soa sof son soo sor sos soy sr- sra srf srn sro srr srs sry ss- ssa ssf ssn sso ssr sss sy- sya syn syr sys yaa yaf yan yao yar yas yay yfa yff yfr yfs yna ynn yns yny yof yon yoo yor yos yoy yra yrf yrn yro yrs ysa yso ysr yss ysy yyf yys yyy