b-u bbb bbi bbm bbo bbr bbt bbu bby bi- bib bii bim bio bir bit biu biy bmb bmi bmm bmo bmr bmt bmu bob boi bom boo bor bot bou boy brb bri brm bro brr brt bru bry btb bti btm bto btr btt btu bty bub bui bum buo bur but buu buy by- byi bym byo byr byt byu ibb ibi ibm ibo ibr ibt ibu iby iib iii iim iio iir iit iiu im- imb imi imm imo imt imu imy io- iob ioi iom ioo ior iot iou ir- irb iri irm iro irr irt iru iry itb iti itm ito itt itu ity iu- iub iui ium iur iut iym iyo iyr iyt iyy m-o m-r mbb mbi mbm mbo mbr mbt mbu mi- mib mii mim mio mir mit miu miy mmb mmi mmm mmo mmr mmt mmu mob moi mom moo mor mot mou moy mrb mri mrm mro mrr mrt mru mry mtb mti mtm mto mtr mtt mtu mub mui mum mur mut muu muy my- myb mym myo myr myt myu o-i ob- obb obi obm obo obr obt obu oby oib oii oim oio oir oit oiu om- omb omi omm omo omr omt omu omy oo- oob ooi oom ooo oor oot or- orb ori orm oro orr ort oru ory ot- otb oti otm oto otr ott otu ou- oui oum ouo our out oyi oyo rbb rbi rbm rbo rbr rbt rbu rib rii rim rio rir rit riy rmb rmi rmm rmo rmr rmt rob roi rom roo ror rot rou roy rrb rri rrm rrr rrt rru rtb rti rtm rto rtr rtt rtu rty rub rui rum ruo rur rut ruu ruy ry- rym ryo ryr ryu ryy tbb tbi tbm tbo tbr tbt tbu tib tii tim tio tir tit tiu tiy tmb tmi tmm tmo tmr tmt tmu tmy to- tob toi tom too tor tot tou toy trb tri trm tro trr trt tru try ttb tti ttm tto ttr ttt ttu tty tub tui tum tuo tur tut tuu tuy tym tyo tyr tyt ubb ubi ubo ubr ubt ubu uby uib uii uim uio uir uit uiu um- umb umi umm umo umr umt umu uob uom uoo uor uot ur- urb uri urm uro urr urt uru ury utb uti utm uto utr utt utu uty uum uur uut uuu uyi uyo uyu ybi ybm ybr yby yii yim yio yir yit ymi ymm ymo ymt yob yoi yom yoo yor yot you yoy yro yrt yru ytm yto ytr ytt ytu yui yum yuo yur yut yuu yuy yyb yyt yyu yyy