-er bbb bbe bbi bbl bbm bbr bbt be- beb bee bei bel bem ber bet bi- bib bie bii bil bim bir bit blb ble bli bll blm blr blt bmb bme bmi bml bmm bmr bmt brb bre bri brl brm brr brt btb bte bti btl btm btr btt ebb ebe ebi ebl ebm ebr ebt eeb eee eel eem eer eet eib eie eii eil eim eir eit elb ele eli ell elm elr elt em- emb eme emi eml emm emr emt erb ere eri erl erm err ert etb ete eti etl etm etr ett ibb ibe ibi ibl ibm ibr ibt ie- iee iei iel iem ier iet iib iie iii iil iim iir iit il- ilb ile ili ill ilm ilr ilt im- imb ime imi iml imm imt ir- irb ire iri irl irm irr irt itb ite iti itl itm itt lbb lbe lbi lbl lbm lbr lbt leb lee lei lel lem ler let lib lie lii lil lim lir lit llb lle lli lll llm llr llt lmb lme lmi lml lmm lmr lmt lrb lri lrm lrr lrt ltb lte lti ltl ltm ltr ltt m-r mbb mbe mbi mbl mbm mbr mbt meb mee mei mel mem mer met mi- mib mie mii mil mim mir mit mlb mle mli mll mlm mlr mlt mmb mme mmi mml mmm mmr mmt mrb mre mri mrl mrm mrr mrt mtb mte mti mtl mtm mtr mtt rbb rbe rbi rbl rbm rbr rbt re- reb ree rei rel rem rer ret rib rie rii ril rim rir rit rle rli rll rlm rlr rlt rmb rme rmi rml rmm rmr rmt rrb rri rrl rrm rrr rrt rtb rte rti rtl rtm rtr rtt tbb tbe tbi tbl tbm tbr tbt te- teb tee tei tel tem ter tet tib tie tii til tim tir tit tle tli tll tlm tlr tlt tmb tme tmi tml tmm tmr tmt trb tre tri trl trm trr trt ttb tte tti ttl ttm ttr ttt