-er -up b-p b-u bbb bbe bbi bbm bbn bbp bbr bbs bbu be- beb bee bei bem ben bep ber bes beu bi- bib bie bii bim bin bip bir bis biu bmb bme bmi bmm bmn bmp bmr bms bmu bnb bne bni bnn bnp bnr bns bnu bpb bpe bpi bpm bpn bpp bpr bps bpu brb bre bri brm brn brp brr brs bru bsb bse bsi bsm bsn bsp bsr bss bsu bub bue bui bum bun bup bur bus buu ebb ebe ebi ebm ebn ebp ebr ebs ebu eeb eee eem een eep eer ees eib eie eii eim ein eip eir eis eiu em- emb eme emi emm emn emp emr ems emu en- enb ene eni enm enn enp enr ens enu ep- epb epe epi epm epn epp epr eps epu erb ere eri erm ern erp err ers eru es- esb ese esi esm esn esp esr ess esu eu- eub eue eui eun eup eur eus ibb ibe ibi ibm ibn ibp ibr ibs ibu ie- iee iei iem ien iep ier ies iib iie iii iim iin iip iir iis iiu im- imb ime imi imm imn imp ims imu in- inb ine ini inm inn inp inr ins inu ipb ipe ipi ipm ipn ipp ipr ips ipu ir- irb ire iri irm irn irp irr irs iru is- isb ise isi ism isn isp isr iss isu iu- iub iue iui ium iup iur ius m-r mbb mbe mbi mbm mbp mbr mbs mbu meb mee mei mem men mep mer mes meu mi- mib mie mii mim min mip mir mis miu mmb mme mmi mmm mmn mmp mmr mms mmu mnb mne mni mnm mnn mnp mnr mns mnu mpb mpe mpi mpm mpn mpp mpr mps mpu mrb mre mri mrm mrn mrp mrr mrs mru msb mse msi msm msn msp msr mss msu mub mue mui mum mun mup mur mus muu n-i nbb nbe nbi nbm nbn nbp nbr nbs nbu ne- neb nee nei nem nen nep ner nes neu nib nie nii nim nin nip nir nis niu nmb nme nmi nmm nmn nmp nmr nms nmu nnb nne nni nnm nnn nnp nns nnu npb npe npi npm npn npp npr nps npu nrb nre nri nrm nrn nrp nrr nrs nru nsb nse nsi nsm nsn nsp nsr nss nsu nub nue nui num nun nup nur nus nuu p-p pbb pbe pbi pbm pbn pbp pbr pbs pbu peb pee pei pem pen pep per pes peu pib pie pii pim pin pip pir pis piu pmb pme pmi pmm pmn pmp pmr pms pmu pn- pnb pne pni pnm pnn pnp pnr pns pnu ppb ppe ppi ppm ppn ppp ppr pps ppu prb pre pri prm prn prp prr prs pru ps- psb pse psi psm psn psp psr pss psu pub pue pui pum pun pup pur pus puu rbb rbe rbi rbm rbn rbp rbr rbs rbu re- reb ree rei rem ren rep rer res reu rib rie rii rim rin rip rir ris rmb rme rmi rmm rmn rmp rmr rms rnb rni rnm rnn rnp rnr rns rnu rpb rpe rpi rpm rpn rpp rpr rps rpu rrb rri rrm rrn rrp rrr rrs rru rsb rse rsi rsm rsn rsp rsr rss rsu rub rue rui rum run rup rur rus ruu sbb sbe sbi sbm sbn sbp sbr sbs sbu se- seb see sei sem sen sep ser ses seu sib sie sii sim sin sip sir sis siu smb sme smi smm smn smp smr sms smu snb sne sni snm snn snp snr sns snu spb spe spi spm spn spp spr sps spu sr- srb sre sri srm srn srp srr srs ss- ssb sse ssi ssm ssn ssp ssr sss ssu sub sue sui sum sun sup sur sus suu ubb ube ubi ubn ubp ubr ubs ubu ueb uee uei uem uen uep uer ues uib uie uii uim uin uip uir uis uiu um- umb ume umi umm umn ump umr ums umu un- unb une uni unm unn unp unr uns unu up- upb upe upi upm upn upp upr ups upu ur- urb ure uri urm urn urp urr urs uru usb use usi usm usn usp usr uss usu uue uum uun uur uus uuu