b-u bbb bbc bbf bbg bbk bbm bbn bbo bbr bbu bby bcb bcc bcf bcg bck bcm bcn bco bcr bcu bcy bfb bfc bff bfg bfm bfn bfo bfr bfu bfy bgb bgc bgf bgg bgk bgm bgn bgo bgr bgu bkb bkc bkf bkg bkk bkm bkn bko bkr bmb bmc bmf bmg bmk bmm bmn bmo bmr bmu bnb bnc bnf bng bnk bnn bno bnr bnu bob boc bof bog bok bom bon boo bor bou boy brb brf brg brk brm brn bro brr bru bry bub buc buf bug buk bum bun buo bur buu buy by- byc byf byg byk bym byn byo byr byu c-- cbb cbc cbf cbg cbk cbm cbn cbo cbr cbu cby ccb ccc ccf ccg cck ccm ccn cco ccr ccu cfb cfc cff cfg cfk cfm cfn cfo cfr cfu cgb cgc cgg cgm cgn cgo cgr cgu cgy ckb ckc ckm cko cky cmb cmc cmf cmg cmk cmm cmn cmo cmr cmu cmy cn- cnb cnc cnf cng cnm cnn cno cnr cnu cny co- cob coc cof cog cok com con coo cor cou coy crb crc crf crg crk crm crn cro crr cru cry cub cuc cuf cug cuk cum cun cuo cur cuu cuy cyb cyc cyf cyg cyk cym cyn cyo cyr fbb fbc fbf fbg fbk fbm fbn fbo fbr fbu fcb fcc fcf fcg fck fcm fcn fco fcr fcu fcy ffc fff ffg ffk ffm ffn ffo ffr ffu ffy fgb fgc fgf fgg fgm fgn fgr fkb fkc fkf fkg fkk fkm fmb fmc fmf fmg fmm fmn fmo fmr fmu fnb fnc fnf fng fnk fnm fnn fnr fnu fob foc fof fog fok fom fon foo for fou foy frb frc frf frg frk frm frn fro frr fru fry fub fuf fug fuk fum fun fuo fur fuu fy- fyb fyc fyk fyn fyo gbc gbf gbg gbk gbm gbn gbo gbr gbu gby gcb gcc gcf gcg gck gcm gcn gco gcr gcu gfb gfc gff gfk gfm gfo gfr gfy ggb ggc ggg ggm ggn ggo ggr ggu gkb gkm gkn gko gmb gmc gmf gmg gmm gmn gmo gmr gmy gnb gnc gnf gnm gnn gno gnr gnu gob goc gof gog gok gom gon goo gor gou goy grb grc grf grg grk grm grn gro grr gru gry gu- gub guc guf gug guk gum gun guo gur guu guy gy- gyb gyf gym gyn gyo gyr kbb kbc kbf kbk kbm kbn kbo kbr kbu kcb kcc kcg kck kcm kcn kcr kcu kfc kff kfg kfm kfo kfu kgb kgc kgf kgm kgo kgu kgy kkb kkc kkk kkm kkn kkr kku kky kmb kmc kmf kmg kmk kmm kmo kmu kn- knc knf kng knk knm knn kno knr knu kob koc kof kog kok kom kon koo kor kou koy krc krf krg krk krn kro krr kru kry kub kuc kug kuk kum kun kur kuu kuy kyc kym kyn kyo kyr kyu m-f m-o m-r mbb mbc mbf mbg mbk mbm mbo mbr mbu mc- mcb mcc mcf mcg mck mcm mcn mco mcr mcu mfb mfc mff mfg mfm mfn mfo mfr mfu mfy mgb mgc mgf mgk mgm mgn mgo mgr mgu mgy mkb mkc mkg mkk mkm mkn mko mkr mku mky mmb mmc mmf mmg mmk mmm mmn mmo mmr mmu mnb mnc mnf mng mnk mnm mnn mno mnr mnu mob moc mof mog mok mom mon moo mor mou moy mrb mrc mrf mrg mrk mrm mrn mro mrr mru mry mub muc muf mug muk mum mun mur muu muy my- myb myc myf myg myk mym myn myo myr myu nbb nbc nbf nbg nbk nbm nbn nbo nbr nbu ncb ncc ncf ncg nck ncm ncn nco ncr ncu nfb nfc nff nfk nfn nfo nfr nfu ngb ngc ngf ngg ngk ngm ngn ngo ngu nkc nkf nkk nkm nkn nko nkr nku nky nmb nmc nmg nmk nmm nmn nmo nmr nmu nnb nnc nnf nng nnk nnm nnn nno nnu no- nob noc nof nog nok nom non noo nor nou noy nrb nrc nrf nrg nrk nrm nrn nro nrr nru nry nub nuc nug nuk num nun nuo nur nuu nuy nyc nyf nyg nyk nym nyn nyo nyu nyy ob- obb obc obf obg obk obm obn obo obr obu oby oc- ocb occ ocf ocg ock ocm ocn oco ocr ocu of- ofb ofc off ofg ofm ofn ofo ofr ofu ogc ogf ogg ogn ogo ogy okb okc okg okk oko okr oku om- omb omc omf omg omm omn omo omr omu omy on- onb onc onf ong onk onn ono onr onu ony oo- oob ooc oof oog ook oom oon ooo oor or- orb orc orf org ork orm orn oro orr oru ory ou- ouc ouf ouk oum oun ouo our oyo rbb rbc rbf rbg rbk rbm rbn rbo rbr rbu rcb rcc rcf rcg rcm rcn rco rcr rcu rfb rfc rff rfg rfk rfm rfn rfo rfr rfu rgb rgc rgf rgg rgk rgn rgo rgr rkb rkc rkf rkg rkk rkm rko rku rky rmb rmc rmf rmg rmm rmn rmo rmr rnb rnc rng rnm rnn rno rnr rnu rny rob roc rof rog rok rom ron roo ror rou roy rrb rrc rrf rrg rrk rrm rrn rrr rru rub ruc ruf rug ruk rum run ruo rur ruu ruy ry- ryc ryf ryg ryk rym ryn ryo ryr ryu ryy ubb ubc ubf ubg ubk ubn ubo ubr ubu uby ucb ucc ucf ucg uck ucm ucn uco ucr ucu ufc uff ufg ufm ufn ufo ufr ufu ugb ugc ugf ugg ugk ugm ugn ugo ugr ugu ukb ukc ukf ukk ukn ukr uku um- umb umc umf umg umm umn umo umr umu un- unb unc unf ung unk unm