b-u bbb bbg bbm bbn bbo bbr bbt bbu bgb bgg bgm bgn bgo bgr bgt bgu bmb bmg bmm bmn bmo bmr bmt bmu bnb bng bnn bno bnr bnt bnu bob bog bom bon boo bor bot bou brb brg brm brn bro brr brt bru btb btg btm btn bto btr btt btu bub bug bum bun buo bur but buu gbg gbm gbn gbo gbr gbt gbu ggb ggg ggm ggn ggo ggr ggt ggu gmb gmg gmm gmn gmo gmr gmt gnb gnm gnn gno gnr gnt gnu gob gog gom gon goo gor got gou grb grg grm grn gro grr grt gru gtb gtg gtm gtn gto gtr gtt gtu gu- gub gug gum gun guo gur gut guu m-o m-r mbb mbg mbm mbo mbr mbt mbu mgb mgm mgn mgo mgr mgt mgu mmb mmg mmm mmn mmo mmr mmt mmu mnb mng mnm mnn mno mnr mnt mnu mob mog mom mon moo mor mot mou mrb mrg mrm mrn mro mrr mrt mru mtb mtg mtm mtn mto mtr mtt mtu mub mug mum mun mur mut muu nbb nbg nbm nbn nbo nbr nbt nbu ngb ngg ngm ngn ngo ngt ngu nmb nmg nmm nmn nmo nmr nmt nmu nnb nng nnm nnn nno nnt nnu no- nob nog nom non noo nor not nou nrb nrg nrm nrn nro nrr nrt nru ntb ntg ntm ntn nto ntr ntt ntu nub nug num nun nuo nur nut nuu ob- obb obg obm obn obo obr obt obu ogg ogn ogo ogt om- omb omg omm omn omo omr omt omu on- onb ong onn ono onr ont onu oo- oob oog oom oon ooo oor oot or- orb org orm orn oro orr ort oru ot- otb otg otm otn oto otr ott otu ou- oum oun ouo our out rbb rbg rbm rbn rbo rbr rbt rbu rgb rgg rgn rgo rgr rgt rmb rmg rmm rmn rmo rmr rmt rnb rng rnm rnn rno rnr rnt rnu rob rog rom ron roo ror rot rou rrb rrg rrm rrn rrr rrt rru rtb rtg rtm rtn rto rtr rtt rtu rub rug rum run ruo rur rut ruu tbb tbg tbm tbn tbo tbr tbt tbu tgb tgg tgm tgn tgo tgr tgt tgu tmb tmg tmm tmn tmo tmr tmt tmu tnb tng tnm tnn tno tnr tnt to- tob tog tom ton too tor tot tou trb trg trm trn tro trr trt tru ttb ttg ttm ttn tto ttr ttt ttu tub tug tum tun tuo tur tut tuu ubb ubg ubn ubo ubr ubt ubu ugb ugg ugm ugn ugo ugr ugt ugu um- umb umg umm umn umo umr umt umu un- unb ung unm unn uno unr unt unu uob uog uom uon uoo uor uot ur- urb urg urm urn uro urr urt uru utb utm utn uto utr utt utu uug uum uun uur uut uuu