b-u bbb bbi bbm bbn bbo bbr bbt bbu bi- bib bii bim bin bio bir bit biu bmb bmi bmm bmn bmo bmr bmt bmu bnb bni bnn bno bnr bnt bnu bob boi bom bon boo bor bot bou brb bri brm brn bro brr brt bru btb bti btm btn bto btr btt btu bub bui bum bun buo bur but buu ibb ibi ibm ibn ibo ibr ibt ibu iib iii iim iin iio iir iit iiu im- imb imi imm imn imo imt imu in- inb ini inm inn ino inr int inu io- iob ioi iom ion ioo ior iot iou ir- irb iri irm irn iro irr irt iru itb iti itm itn ito itt itu iu- iub iui ium iur iut m-o m-r mbb mbi mbm mbo mbr mbt mbu mi- mib mii mim min mio mir mit miu mmb mmi mmm mmn mmo mmr mmt mmu mnb mni mnm mnn mno mnr mnt mnu mob moi mom mon moo mor mot mou mrb mri mrm mrn mro mrr mrt mru mtb mti mtm mtn mto mtr mtt mtu mub mui mum mun mur mut muu n-i nbb nbi nbm nbn nbo nbr nbt nbu nib nii nim nin nio nir nit niu nmb nmi nmm nmn nmo nmr nmt nmu nnb nni nnm nnn nno nnt nnu no- nob noi nom non noo nor not nou nrb nri nrm nrn nro nrr nrt nru ntb nti ntm ntn nto ntr ntt ntu nub nui num nun nuo nur nut nuu o-i ob- obb obi obm obn obo obr obt obu oib oii oim oin oio oir oit oiu om- omb omi omm omn omo omr omt omu on- onb oni onn ono onr ont onu oo- oob ooi oom oon ooo oor oot or- orb ori orm orn oro orr ort oru ot- otb oti otm otn oto otr ott otu ou- oui oum oun ouo our out rbb rbi rbm rbn rbo rbr rbt rbu rib rii rim rin rio rir rit rmb rmi rmm rmn rmo rmr rmt rnb rni rnm rnn rno rnr rnt rnu rob roi rom ron roo ror rot rou rrb rri rrm rrn rrr rrt rru rtb rti rtm rtn rto rtr rtt rtu rub rui rum run ruo rur rut ruu tbb tbi tbm tbn tbo tbr tbt tbu tib tii tim tin tio tir tit tiu tmb tmi tmm tmn tmo tmr tmt tmu tnb tni tnm tnn tno tnr tnt to- tob toi tom ton too tor tot tou trb tri trm trn tro trr trt tru ttb tti ttm ttn tto ttr ttt ttu tub tui tum tun tuo tur tut tuu ubb ubi ubn ubo ubr ubt ubu uib uii uim uin uio uir uit uiu um- umb umi umm umn umo umr umt umu un- unb uni unm unn uno unr unt unu uob uom uon uoo uor uot ur- urb uri urm urn uro urr urt uru utb uti utm utn uto utr utt utu uum uun uur uut uuu