a-a a-b aaa aab aah aan aar aas aay ab- aba abb abh abn abr abs aby aha ahb ahh ahn ahr ahs ahy an- ana anb anh ann anr ans any ar- ara arb arh arn arr ars ary as- asa asb ash asn asr ass asy ay- aya ayh ayn ayr ays baa bab bah ban bar bas bay bba bbb bbh bbn bbr bbs bby bha bhb bhh bhr bhs bna bnb bnn bnr bns bra brb brh brn brr brs bry bsa bsb bsh bsn bsr bss bsy by- bya byh byn byr bys haa hab hah han har has hay hba hbb hbh hbn hbr hbs hby hha hhb hhh hhn hhr hhs hhy hna hnb hnh hnn hns hny hr- hra hrb hrh hrn hrr hrs hsa hsb hsh hsn hsr hss hsy hy- hya hyb hyh hyn hyr hys hyy naa nab nah nan nar nas nay nba nbb nbn nbr nbs nha nhb nhh nhn nhr nhs nhy nna nnb nnh nnn nns nra nrb nrn nrr nrs nry nsa nsb nsh nsn nsr nss nsy nya nyn nys nyy ra- raa rab rah ran rar ras ray rba rbb rbh rbn rbr rbs rh- rha rhb rhh rhn rhr rhs rna rnb rnh rnn rnr rns rny rra rrb rrh rrn rrr rrs rsa rsb rsh rsn rsr rss ry- rya ryn ryr rys ryy saa sab sah san sar sas say sba sbb sbh sbn sbr sbs sby sh- sha shb shh shn shr shs shy sna snb snn snr sns sny sr- sra srb srh srn srr srs sry ss- ssa ssb ssh ssn ssr sss sy- sya syb syh syn syr sys yaa yab yah yan yar yas yay ybr ybs yby yha yhs yna ynn yns yny yra yrn yrs ysa ysb ysr yss ysy yyb yys yyy