-er -ol bbb bbe bbi bbl bbm bbo bbr bbt be- beb bee bei bel bem beo ber bet bi- bib bie bii bil bim bio bir bit blb ble bli bll blm blo blr blt bmb bme bmi bml bmm bmo bmr bmt bob boe boi bol bom boo bor bot brb bre bri brl brm bro brr brt btb bte bti btl btm bto btr btt ebb ebe ebi ebl ebm ebo ebr ebt eeb eee eel eem eeo eer eet eib eie eii eil eim eio eir eit elb ele eli ell elm elo elr elt em- emb eme emi eml emm emo emr emt eo- eob eoe eoi eol eom eoo eor eot erb ere eri erl erm ero err ert etb ete eti etl etm eto etr ett ibb ibe ibi ibl ibm ibo ibr ibt ie- iee iei iel iem ier iet iib iie iii iil iim iio iir iit il- ilb ile ili ill ilm ilo ilr ilt im- imb ime imi iml imm imo imt io- iob ioe ioi iol iom ioo ior iot ir- irb ire iri irl irm iro irr irt itb ite iti itl itm ito itt lbb lbe lbi lbl lbm lbo lbr lbt leb lee lei lel lem leo ler let lib lie lii lil lim lio lir lit llb lle lli lll llm llo llr llt lmb lme lmi lml lmm lmo lmr lmt lob loe loi lol lom loo lor lot lrb lri lrm lro lrr lrt ltb lte lti ltl ltm lto ltr ltt m-o m-r mbb mbe mbi mbl mbm mbo mbr mbt meb mee mei mel mem meo mer met mi- mib mie mii mil mim mio mir mit mlb mle mli mll mlm mlo mlr mlt mmb mme mmi mml mmm mmo mmr mmt mob moe moi mol mom moo mor mot mrb mre mri mrl mrm mro mrr mrt mtb mte mti mtl mtm mto mtr mtt o-i ob- obb obe obi obl obm obo obr obt oeb oee oei oel oem oeo oer oet oib oie oii oil oim oio oir oit olb ole oli oll olm olo olt om- omb ome omi oml omm omo omr omt oo- oob ooi ool oom ooo oor oot or- orb ore ori orl orm oro orr ort ot- otb ote oti otl otm oto otr ott rbb rbe rbi rbl rbm rbo rbr rbt re- reb ree rei rel rem reo rer ret rib rie rii ril rim rio rir rit rle rli rll rlm rlo rlr rlt rmb rme rmi rml rmm rmo rmr rmt rob roe roi rol rom roo ror rot rrb rri rrl rrm rrr rrt rtb rte rti rtl rtm rto rtr rtt tbb tbe tbi tbl tbm tbo tbr tbt te- teb tee tei tel tem teo ter tet tib tie tii til tim tio tir tit tle tli tll tlm tlo tlr tlt tmb tme tmi tml tmm tmo tmr tmt to- tob toe toi tol tom too tor tot trb tre tri trl trm tro trr trt ttb tte tti ttl ttm tto ttr ttt