bbb bbd bbk bbn bbo bbr bbs bby bdb bdd bdk bdo bdr bds bdy bkb bkk bkn bko bkr bks bnb bnd bnk bnn bno bnr bns bob bod bok bon boo bor bos boy brb brd brk brn bro brr brs bry bsb bsd bsk bsn bso bsr bss bsy by- byd byk byn byo byr bys dbb dbd dbk dbn dbo dbr dbs dby ddb ddd ddk ddn ddo ddr dds ddy dkb dkk dko dkr dks dnb dnd dnk dnn dno dnr dns dny dob dod dok don doo dor dos doy drb drd drk drn dro drr drs dry dsb dsd dsk dsn dso dsr dss dsy dy- dyb dyd dyk dyn dyo dyr dys dyy kbb kbd kbk kbn kbo kbr kbs kdb kdk kdo kdr kds kdy kkb kkk kkn kkr kks kky kn- knd knk knn kno knr kob kod kok kon koo kor kos koy krd krk krn kro krr krs kry ksb ksd ksk ksn kso ksr kss kyd kyn kyo kyr kys nbb nbd nbk nbn nbo nbr nbs ndb ndd ndk ndn ndo ndr nds ndy nkk nkn nko nkr nks nky nnb nnk nnn nno nns no- nob nod nok non noo nor nos noy nrb nrd nrk nrn nro nrr nrs nry nsb nsd nsk nsn nso nsr nss nsy nyd nyk nyn nyo nys nyy ob- obb obd obk obn obo obr obs oby odb odd odn odo odr ods okb okd okk oko okr oks on- onb ond onk onn ono onr ons ony oo- oob ood ook oon ooo oor oos or- orb ord ork orn oro orr ors ory os- osb osd osk osn oso osr oss oyd oyo oys rbb rbd rbk rbn rbo rbr rbs rdb rdd rdn rdo rdr rds rdy rkb rkk rko rks rky rnb rnd rnn rno rnr rns rny rob rod rok ron roo ror ros roy rrb rrd rrk rrn rrr rrs rsb rsd rsk rsn rso rsr rss ry- ryd ryk ryn ryo ryr rys ryy sbb sbd sbk sbn sbo sbr sbs sby sdb sdd sdk sdn sdo sdr sds sdy sk- skb skd skk sko skr sks sky snb snd snk snn sno snr sns sny sob sod sok son soo sor sos soy sr- srb srd srk srn sro srr srs sry ss- ssb ssd ssk ssn sso ssr sss sy- syb syd syk syn syr sys ybr ybs yby ydn ydo yds ydy ykk ykn ynd ynk ynn yns yny yob yod yok yon yoo yor yos yoy yrn yro yrs ysb ysk yso ysr yss ysy yyb yys yyy