-ol bbb bbi bbk bbl bbm bbo bbr bi- bib bii bik bil bim bio bir bkb bkk bkl bkm bko bkr blb bli blk bll blm blo blr bmb bmi bmk bml bmm bmo bmr bob boi bok bol bom boo bor brb bri brk brl brm bro brr ibb ibi ibk ibl ibm ibo ibr iib iii iil iim iio iir ikb iki ikk ikl iko ikr il- ilb ili ilk ill ilm ilo ilr im- imb imi iml imm imo io- iob ioi iol iom ioo ior ir- irb iri irk irl irm iro irr kbb kbi kbk kbl kbm kbo kbr kib kii kik kil kim kio kir kkb kki kkk kkl kkm kkr kl- klb kli klm klo klr kmb kmi kmk kml kmm kmo kob koi kok kol kom koo kor kri krk krl kro krr lbb lbi lbk lbl lbm lbo lbr lib lii lik lil lim lio lir lkb lkl lkr llb lli llk lll llm llo llr lmb lmi lmk lml lmm lmo lmr lob loi lok lol lom loo lor lrb lri lrk lrm lro lrr m-o m-r mbb mbi mbk mbl mbm mbo mbr mi- mib mii mik mil mim mio mir mkb mkk mkl mkm mko mkr mlb mli mlk mll mlm mlo mlr mmb mmi mmk mml mmm mmo mmr mob moi mok mol mom moo mor mrb mri mrk mrl mrm mro mrr o-i ob- obb obi obk obl obm obo obr oib oii oik oil oim oio oir okb oki okk okl oko okr olb oli olk oll olm olo om- omb omi oml omm omo omr oo- oob ooi ook ool oom ooo oor or- orb ori ork orl orm oro orr rbb rbi rbk rbl rbm rbo rbr rib rii rik ril rim rio rir rkb rkk rkm rko rli rll rlm rlo rlr rmb rmi rml rmm rmo rmr rob roi rok rol rom roo ror rrb rri rrk rrl rrm rrr