-er bbb bbe bbi bbk bbl bbm bbr be- beb bee bei bek bel bem ber bez bi- bib bie bii bik bil bim bir biz bkb bke bkk bkl bkm bkr blb ble bli blk bll blm blr blz bmb bme bmi bmk bml bmm bmr bmz brb bre bri brk brl brm brr brz bze bzr bzz 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 elz em- emb eme emi emk eml emm emr erb ere eri erk erl erm err erz eze ezr ezz ibb ibe ibi ibk ibl ibm ibr ibz 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 ilz im- imb ime imi iml imm imz ir- irb ire iri irk irl irm irr ize izi izm izz k-z kbb kbe kbi kbk kbl kbm kbr kbz ke- keb kee kei kek kel kem ker kez kib kie kii kik kil kim kir kiz kkb kke kki kkk kkl kkm kkr kl- klb kli klm klr klz kmb kme kmi kmk kml kmm kmz kri krk krl krr lbb lbe lbi lbk lbl lbm lbr leb lee lei lek lel lem ler lez lib lie lii lik lil lim lir liz lkb lkl lkr llb lle lli llk lll llm llr llz lmb lme lmi lmk lml lmm lmr lrb lri lrk lrm lrr lrz lzi lzr m-r mbb mbe mbi mbk mbl mbm mbr meb mee mei mek mel mem mer mez mi- mib mie mii mik mil mim mir miz mkb mke mkk mkl mkm mkr mkz mlb mle mli mlk mll mlm mlr mmb mme mmi mmk mml mmm mmr mmz mrb mre mri mrk mrl mrm mrr mrz mzb mzi mzm rbb rbe rbi rbk rbl rbm rbr re- reb ree rei rek rel rem rer rez rib rie rii rik ril rim rir riz rkb rke rkk rkm rkz rle rli rll rlm rlr rmb rme rmi rml rmm rmr rrb rri rrk rrl rrm rrr rzb rze rzm zbb zbl zbm zbr zeb zee zek zel zem zer zez zib zie zik zil zim zir ziz zlr zmb zmk zmm zrl zzr zzz