a-a a-b a-q aaa aab aan aao aaq aar aas aay ab- aba abb abn abo abq abr abs aby an- ana anb ann ano anq anr ans any aoa aob aon aoo aor aos aqa aqn aqo aqr aqs ar- ara arb arn aro arq arr ars ary as- asa asb asn aso asq asr ass asy ay- aya ayn ayo ayr ays baa bab ban bao baq bar bas bay bba bbb bbn bbo bbq bbr bbs bby bna bnb bnn bno bnr bns boa bob bon boo boq bor bos boy bra brb brn bro brq brr brs bry bsa bsb bsn bso bsr bss bsy by- bya byn byo byq byr bys naa nab nan nao nar nas nay nba nbb nbn nbo nbr nbs nna nnb nnn nno nns no- noa nob non noo nor nos noy nqs nra nrb nrn nro nrr nrs nry nsa nsb nsn nso nsr nss nsy nya nyn nyo nys nyy oaa oab oan oao oaq oar oas ob- oba obb obn obo obr obs oby on- ona onb onn ono onr ons ony oo- ooa oob oon ooo oor oos oqb oqo or- ora orb orn oro orr ors ory os- osa osb osn oso osq osr oss oya oyo oys qaa qan qar qas qba qbq qbs qnb qns qoo qor qos qqq qra qrb qrs qsa qso qsr ra- raa rab ran rao raq rar ras ray rba rbb rbn rbo rbr rbs rna rnb rnn rno rnr rns rny roa rob ron roo ror ros roy rqn rqs rra rrb rrn rrq rrr rrs rsa rsb rsn rso rsq rsr rss ry- rya ryn ryo ryr rys ryy saa sab san sao saq sar sas say sba sbb sbn sbo sbq sbr sbs sby sna snb snn sno snr sns sny soa sob son soo soq sor sos soy sqa sqn sqq sqr sqs sr- sra srb srn sro srq srr srs sry ss- ssa ssb ssn sso ssq ssr sss sy- sya syb syn syr sys yaa yab yan yao yar yas yay ybr ybs yby yna ynn yns yny yob yon yoo yor yos yoy yqb yqr yra yrn yro yrs ysa ysb yso ysr yss ysy yyb yys yyy