-er b-u bbb bbe bbi bbm bbn bbr bbs bbu be- beb bee bei bem ben ber bes beu bi- bib bie bii bim bin bir bis biu bmb bme bmi bmm bmn bmr bms bmu bnb bne bni bnn bnr bns bnu brb bre bri brm brn brr brs bru bsb bse bsi bsm bsn bsr bss bsu bub bue bui bum bun bur bus buu ebb ebe ebi ebm ebn ebr ebs ebu eeb eee eem een eer ees eib eie eii eim ein eir eis eiu em- emb eme emi emm emn emr ems emu en- enb ene eni enm enn enr ens enu erb ere eri erm ern err ers eru es- esb ese esi esm esn esr ess esu eu- eub eue eui eun eur eus ibb ibe ibi ibm ibn ibr ibs ibu ie- iee iei iem ien ier ies iib iie iii iim iin iir iis iiu im- imb ime imi imm imn ims imu in- inb ine ini inm inn inr ins inu ir- irb ire iri irm irn irr irs iru is- isb ise isi ism isn isr iss isu iu- iub iue iui ium iur ius m-r mbb mbe mbi mbm mbr mbs mbu meb mee mei mem men mer mes meu mi- mib mie mii mim min mir mis miu mmb mme mmi mmm mmn mmr mms mmu mnb mne mni mnm mnn mnr mns mnu mrb mre mri mrm mrn mrr mrs mru msb mse msi msm msn msr mss msu mub mue mui mum mun mur mus muu n-i nbb nbe nbi nbm nbn nbr nbs nbu ne- neb nee nei nem nen ner nes neu nib nie nii nim nin nir nis niu nmb nme nmi nmm nmn nmr nms nmu nnb nne nni nnm nnn nns nnu nrb nre nri nrm nrn nrr nrs nru nsb nse nsi nsm nsn nsr nss nsu nub nue nui num nun nur nus nuu rbb rbe rbi rbm rbn rbr rbs rbu re- reb ree rei rem ren rer res reu rib rie rii rim rin rir ris rmb rme rmi rmm rmn rmr rms rnb rni rnm rnn rnr rns rnu rrb rri rrm rrn rrr rrs rru rsb rse rsi rsm rsn rsr rss rsu rub rue rui rum run rur rus ruu sbb sbe sbi sbm sbn sbr sbs sbu se- seb see sei sem sen ser ses seu sib sie sii sim sin sir sis siu smb sme smi smm smn smr sms smu snb sne sni snm snn snr sns snu sr- srb sre sri srm srn srr srs ss- ssb sse ssi ssm ssn ssr sss ssu sub sue sui sum sun sur sus suu ubb ube ubi ubn ubr ubs ubu ueb uee uei uem uen uer ues uib uie uii uim uin uir uis uiu um- umb ume umi umm umn umr ums umu un- unb une uni unm unn unr uns unu ur- urb ure uri urm urn urr urs uru usb use usi usm usn usr uss usu uue uum uun uur uus uuu