-er bbb bbe bbi bbl bbm bbn bbr bbs bbt be- beb bee bei bel bem ben ber bes bet bi- bib bie bii bil bim bin bir bis bit blb ble bli bll blm bln blr bls blt bmb bme bmi bml bmm bmn bmr bms bmt bnb bne bni bnl bnn bnr bns bnt brb bre bri brl brm brn brr brs brt bsb bse bsi bsl bsm bsn bsr bss bst btb bte bti btl btm btn btr bts btt ebb ebe ebi ebl ebm ebn ebr ebs ebt eeb eee eel eem een eer ees eet eib eie eii eil eim ein eir eis eit elb ele eli ell elm eln elr els elt em- emb eme emi eml emm emn emr ems emt en- enb ene eni enl enm enn enr ens ent erb ere eri erl erm ern err ers ert es- esb ese esi esl esm esn esr ess est etb ete eti etl etm etn etr ets ett ibb ibe ibi ibl ibm ibn ibr ibs ibt ie- iee iei iel iem ien ier ies iet iib iie iii iil iim iin iir iis iit il- ilb ile ili ill ilm iln ilr ils ilt im- imb ime imi iml imm imn ims imt in- inb ine ini inl inm inn inr ins int ir- irb ire iri irl irm irn irr irs irt is- isb ise isi isl ism isn isr iss ist itb ite iti itl itm itn its itt lbb lbe lbi lbl lbm lbr lbs lbt leb lee lei lel lem len ler les let lib lie lii lil lim lin lir lis lit llb lle lli lll llm lln llr lls llt lmb lme lmi lml lmm lmn lmr lms lmt lnb lne lni lnl lnm lnn lnr lns lnt lrb lri lrm lrn lrr lrs lrt lsb lse lsi lsl lsm lsn lsr lss lst ltb lte lti ltl ltm ltr lts ltt m-r mbb mbe mbi mbl mbm mbr mbs mbt meb mee mei mel mem men mer mes met mi- mib mie mii mil mim min mir mis mit mlb mle mli mll mlm mln mlr mls mlt mmb mme mmi mml mmm mmn mmr mms mmt mnb mne mni mnl mnm mnn mnr mns mnt mrb mre mri mrl mrm mrn mrr mrs mrt msb mse msi msl msm msn msr mss mst mtb mte mti mtl mtm mtn mtr mts mtt n-i nbb nbe nbi nbl nbm nbn nbr nbs nbt ne- neb nee nei nel nem nen ner nes net nib nie nii nil nim nin nir nis nit nlb nle nli nll nlm nln nlr nls nlt nmb nme nmi nml nmm nmn nmr nms nmt nnb nne nni nnl nnm nnn nns nnt nrb nre nri nrl nrm nrn nrr nrs nrt nsb nse nsi nsl nsm nsn nsr nss nst ntb nte nti ntm ntn ntr nts ntt rbb rbe rbi rbl rbm rbn rbr rbs rbt re- reb ree rei rel rem ren rer res ret rib rie rii ril rim rin rir ris rit rle rli rll rlm rln rlr rls rlt rmb rme rmi rml rmm rmn rmr rms rmt rnb rni rnm rnn rnr rns rnt rrb rri rrl rrm rrn rrr rrs rrt rsb rse rsi rsl rsm rsn rsr rss rst rtb rte rti rtl rtm rtn rtr rts rtt sbb sbe sbi sbl sbm sbn sbr sbs sbt se- seb see sei sel sem sen ser ses set sib sie sii sil sim sin sir sis sit slb sle sli sll slm sln slr sls slt smb sme smi sml smm smn smr sms smt snb sne sni snl snm snn snr sns snt sr- srb sre sri srl srm srn srr srs srt ss- ssb sse ssi ssl ssm ssn ssr sss sst stb ste sti stl stm stn str sts stt tbb tbe tbi tbl tbm tbn tbr tbs tbt te- teb tee tei tel tem ten ter tes tet tib tie tii til tim tin tir tis tit tle tli tll tlm tln tlr tls tlt tmb tme tmi tml tmm tmn tmr tms tmt tnb tne tni tnl tnm tnn tnr tns tnt trb tre tri trl trm trn trr trs trt tsb tse tsi tsl tsm tsn tsr tss tst ttb tte tti ttl ttm ttn ttr tts ttt