-er bbb bbe bbi bbk bbl bbm bbr be- beb bee bei bek bel bem ber bi- bib bie bii bik bil bim bir bkb bke bkk bkl bkm bkr blb ble bli blk bll blm blr bmb bme bmi bmk bml bmm bmr brb bre bri brk brl brm brr ebb ebe ebi ebk ebl ebm ebr eeb eee eek eel eem eer eib eie eii eik eil eim eir ekb eke eki ekl ekr elb ele eli elk ell elm elr em- emb eme emi emk eml emm emr erb ere eri erk erl erm err ibb ibe ibi ibk ibl ibm ibr ie- iee iei iek iel iem ier iib iie iii iil iim iir ikb ike iki ikk ikl ikr il- ilb ile ili ilk ill ilm ilr im- imb ime imi iml imm ir- irb ire iri irk irl irm irr kbb kbe kbi kbk kbl kbm kbr ke- keb kee kei kek kel kem ker kib kie kii kik kil kim kir kkb kke kki kkk kkl kkm kkr kl- klb kli klm klr kmb kme kmi kmk kml kmm kri krk krl krr lbb lbe lbi lbk lbl lbm lbr leb lee lei lek lel lem ler lib lie lii lik lil lim lir lkb lkl lkr llb lle lli llk lll llm llr lmb lme lmi lmk lml lmm lmr lrb lri lrk lrm lrr m-r mbb mbe mbi mbk mbl mbm mbr meb mee mei mek mel mem mer mi- mib mie mii mik mil mim mir mkb mke mkk mkl mkm mkr mlb mle mli mlk mll mlm mlr mmb mme mmi mmk mml mmm mmr mrb mre mri mrk mrl mrm mrr rbb rbe rbi rbk rbl rbm rbr re- reb ree rei rek rel rem rer rib rie rii rik ril rim rir rkb rke rkk rkm rle rli rll rlm rlr rmb rme rmi rml rmm rmr rrb rri rrk rrl rrm rrr