bbb bbd bbi bbk bbn bbo bbr bbs bby bdb bdd bdi bdk bdo bdr bds bdy bi- bib bid bii bik bin bio bir bis biy bkb bkk bkn bko bkr bks bnb bnd bni bnk bnn bno bnr bns bob bod boi bok bon boo bor bos boy brb brd bri brk brn bro brr brs bry bsb bsd bsi bsk bsn bso bsr bss bsy by- byd byi byk byn byo byr bys dbb dbd dbi dbk dbn dbo dbr dbs dby ddb ddd ddi ddk ddn ddo ddr dds ddy di- dib did dii dik din dio dir dis diy dkb dki dkk dko dkr dks dnb dnd dni dnk dnn dno dnr dns dny dob dod doi dok don doo dor dos doy drb drd dri drk drn dro drr drs dry dsb dsd dsi dsk dsn dso dsr dss dsy dy- dyb dyd dyk dyn dyo dyr dys dyy i-d ibb ibd ibi ibk ibn ibo ibr ibs iby idb idd idi idk idn ido idr ids idy iib iid iii iin iio iir iis ikb iki ikk iko ikr iks in- inb ind ini ink inn ino inr ins iny io- iob iod ioi ion ioo ior ios ir- irb ird iri irk irn iro irr irs iry is- isb isd isi isk isn iso isr iss isy iyo iyr iys iyy kbb kbd kbi kbk kbn kbo kbr kbs kdb kdk kdo kdr kds kdy kib kid kii kik kin kio kir kis kkb kki kkk kkn kkr kks kky kn- knd kni knk knn kno knr kob kod koi kok kon koo kor kos koy krd kri krk krn kro krr krs kry ksb ksd ksi ksk ksn kso ksr kss kyd kyn kyo kyr kys n-i nbb nbd nbi nbk nbn nbo nbr nbs ndb ndd ndi ndk ndn ndo ndr nds ndy nib nid nii nik nin nio nir nis nki nkk nkn nko nkr nks nky nnb nni nnk nnn nno nns no- nob nod noi nok non noo nor nos noy nrb nrd nri nrk nrn nro nrr nrs nry nsb nsd nsi nsk nsn nso nsr nss nsy nyd nyk nyn nyo nys nyy o-i ob- obb obd obi obk obn obo obr obs oby odb odd odi odn odo odr ods oib oid oii oik oin oio oir ois okb okd oki okk oko okr oks on- onb ond oni onk onn ono onr ons ony oo- oob ood ooi ook oon ooo oor oos or- orb ord ori ork orn oro orr ors ory os- osb osd osi osk osn oso osr oss oyd oyi oyo oys rbb rbd rbi rbk rbn rbo rbr rbs rdb rdd rdi rdn rdo rdr rds rdy rib rid rii rik rin rio rir ris riy rkb rkk rko rks rky rnb rnd rni rnn rno rnr rns rny rob rod roi rok ron roo ror ros roy rrb rrd rri rrk rrn rrr rrs rsb rsd rsi rsk rsn rso rsr rss ry- ryd ryk ryn ryo ryr rys ryy sbb sbd sbi sbk sbn sbo sbr sbs sby sdb sdd sdi sdk sdn sdo sdr sds sdy sib sid sii sik sin sio sir sis sk- skb skd ski skk sko skr sks sky snb snd sni snk snn sno snr sns sny sob sod soi sok son soo sor sos soy sr- srb srd sri srk srn sro srr srs sry ss- ssb ssd ssi ssk ssn sso ssr sss sy- syb syd syi syk syn syr sys ybi ybr ybs yby ydn ydo yds ydy yid yii yin yio yir yis yki ykk ykn ynd ynk ynn yns yny yob yod yoi yok yon yoo yor yos yoy yrn yro yrs ysb ysi ysk yso ysr yss ysy yyb yys yyy