-er b-u bbb bbe bbi bbm bbn bbr bbs bbt bbu be- beb bee bei bem ben ber bes bet beu bi- bib bie bii bim bin bir bis bit biu bmb bme bmi bmm bmn bmr bms bmt bmu bnb bne bni bnn bnr bns bnt bnu brb bre bri brm brn brr brs brt bru bsb bse bsi bsm bsn bsr bss bst bsu btb bte bti btm btn btr bts btt btu bub bue bui bum bun bur bus but buu ebb ebe ebi ebm ebn ebr ebs ebt ebu eeb eee eem een eer ees eet eib eie eii eim ein eir eis eit eiu em- emb eme emi emm emn emr ems emt emu en- enb ene eni enm enn enr ens ent enu erb ere eri erm ern err ers ert eru es- esb ese esi esm esn esr ess est esu etb ete eti etm etn etr ets ett etu eu- eub eue eui eun eur eus eut ibb ibe ibi ibm ibn ibr ibs ibt ibu ie- iee iei iem ien ier ies iet iib iie iii iim iin iir iis iit iiu im- imb ime imi imm imn ims imt imu in- inb ine ini inm inn inr ins int inu ir- irb ire iri irm irn irr irs irt iru is- isb ise isi ism isn isr iss ist isu itb ite iti itm itn its itt itu iu- iub iue iui ium iur ius iut m-r mbb mbe mbi mbm mbr mbs mbt mbu meb mee mei mem men mer mes met meu mi- mib mie mii mim min mir mis mit miu mmb mme mmi mmm mmn mmr mms mmt mmu mnb mne mni mnm mnn mnr mns mnt mnu mrb mre mri mrm mrn mrr mrs mrt mru msb mse msi msm msn msr mss mst msu mtb mte mti mtm mtn mtr mts mtt mtu mub mue mui mum mun mur mus mut muu n-i nbb nbe nbi nbm nbn nbr nbs nbt nbu ne- neb nee nei nem nen ner nes net neu nib nie nii nim nin nir nis nit niu nmb nme nmi nmm nmn nmr nms nmt nmu nnb nne nni nnm nnn nns nnt nnu nrb nre nri nrm nrn nrr nrs nrt nru nsb nse nsi nsm nsn nsr nss nst nsu ntb nte nti ntm ntn ntr nts ntt ntu nub nue nui num nun nur nus nut nuu rbb rbe rbi rbm rbn rbr rbs rbt rbu re- reb ree rei rem ren rer res ret reu rib rie rii rim rin rir ris rit rmb rme rmi rmm rmn rmr rms rmt rnb rni rnm rnn rnr rns rnt rnu rrb rri rrm rrn rrr rrs rrt rru rsb rse rsi rsm rsn rsr rss rst rsu rtb rte rti rtm rtn rtr rts rtt rtu rub rue rui rum run rur rus rut ruu sbb sbe sbi sbm sbn sbr sbs sbt sbu se- seb see sei sem sen ser ses set seu sib sie sii sim sin sir sis sit siu smb sme smi smm smn smr sms smt smu snb sne sni snm snn snr sns snt snu sr- srb sre sri srm srn srr srs srt ss- ssb sse ssi ssm ssn ssr sss sst ssu stb ste sti stm stn str sts stt stu sub sue sui sum sun sur sus sut suu tbb tbe tbi tbm tbn tbr tbs tbt tbu te- teb tee tei tem ten ter tes tet teu tib tie tii tim tin tir tis tit tiu tmb tme tmi tmm tmn tmr tms tmt tmu tnb tne tni tnm tnn tnr tns tnt trb tre tri trm trn trr trs trt tru tsb tse tsi tsm tsn tsr tss tst tsu ttb tte tti ttm ttn ttr tts ttt ttu tub tue tui tum tun tur tus tut tuu ubb ube ubi ubn ubr ubs ubt ubu ueb uee uei uem uen uer ues uet uib uie uii uim uin uir uis uit uiu um- umb ume umi umm umn umr ums umt umu un- unb une uni unm unn unr uns unt unu ur- urb ure uri urm urn urr urs urt uru usb use usi usm usn usr uss ust usu utb ute uti utm utn utr uts utt utu uue uum uun uur uus uut uuu