-er bbb bbe bbi bbk bbm bbr bbt be- beb bee bei bek bem ber bet bi- bib bie bii bik bim bir bit bkb bke bkk bkm bkr bkt bmb bme bmi bmk bmm bmr bmt brb bre bri brk brm brr brt btb bte bti btk btm btr btt ebb ebe ebi ebk ebm ebr ebt eeb eee eek eem eer eet eib eie eii eik eim eir eit ekb eke eki ekr ekt em- emb eme emi emk emm emr emt erb ere eri erk erm err ert etb ete eti etk etm etr ett ibb ibe ibi ibk ibm ibr ibt ie- iee iei iek iem ier iet iib iie iii iim iir iit ikb ike iki ikk ikr ikt im- imb ime imi imm imt ir- irb ire iri irk irm irr irt itb ite iti itk itm itt k-t kbb kbe kbi kbk kbm kbr ke- keb kee kei kek kem ker ket kib kie kii kik kim kir kit kkb kke kki kkk kkm kkr kkt kmb kme kmi kmk kmm kmt kri krk krr krt ktb kte ktk ktm ktr ktt m-r mbb mbe mbi mbk mbm mbr mbt meb mee mei mek mem mer met mi- mib mie mii mik mim mir mit mkb mke mkk mkm mkr mkt mmb mme mmi mmk mmm mmr mmt mrb mre mri mrk mrm mrr mrt mtb mte mti mtk mtm mtr mtt rbb rbe rbi rbk rbm rbr rbt re- reb ree rei rek rem rer ret rib rie rii rik rim rir rit rkb rke rkk rkm rkt rmb rme rmi rmm rmr rmt rrb rri rrk rrm rrr rrt rtb rte rti rtk rtm rtr rtt tbb tbe tbi tbk tbm tbr tbt te- teb tee tei tek tem ter tet tib tie tii tik tim tir tit tkb tke tkk tkm tkr tkt tmb tme tmi tmk tmm tmr tmt trb tre tri trk trm trr trt ttb tte tti ttk ttm ttr ttt