b-u bbb bbg bbm bbo bbr bbu bbw bgb bgg bgm bgo bgr bgu bgw bmb bmg bmm bmo bmr bmu bmw bob bog bom boo bor bou bow brb brg brm bro brr bru brw bub bug bum buo bur buu buw bwb bwg bwo bwr bwu gbg gbm gbo gbr gbu gbw ggb ggg ggm ggo ggr ggu ggw gmb gmg gmm gmo gmr gob gog gom goo gor gou gow grb grg grm gro grr gru grw gu- gub gug gum guo gur guu gwb gwg gwr gwu m-o m-r m-w mbb mbg mbm mbo mbr mbu mbw mgb mgm mgo mgr mgu mgw mmb mmg mmm mmo mmr mmu mmw mob mog mom moo mor mou mow mrb mrg mrm mro mrr mru mrw mub mug mum mur muu muw mwb mwg mwm mwo mwr mwu mww ob- obb obg obm obo obr obu obw ogg ogo om- omb omg omm omo omr omu omw oo- oob oog oom ooo oor oow or- orb org orm oro orr oru ou- oum ouo our owb owm owo owu oww rbb rbg rbm rbo rbr rbu rbw rgb rgg rgo rgr rgw rmb rmg rmm rmo rmr rob rog rom roo ror rou row rrb rrg rrm rrr rru rub rug rum ruo rur ruu rwb rwm rwr rwu ubb ubg ubo ubr ubu ubw ugb ugg ugm ugo ugr ugu um- umb umg umm umo umr umu umw uob uog uom uoo uor uow ur- urb urg urm uro urr uru urw uug uum uur uuu uwb uwg uwm uwr uww wbb wbg wbo wbr wbw wgb wgm wgo wgr wgw wm- wmb wmg wmm wmo wmr wmu wob wog wom woo wor wou wow wr- wrg wrm wro wrr wru wrw wub wug wum wuo wur wwm wwo wwu www