-er -ic -up b-p b-u bbb bbc bbe bbi bbm bbn bbp bbr bbs bbu bcb bcc bce bci bcm bcn bcp bcr bcs bcu be- beb bec bee bei bem ben bep ber bes beu bi- bib bic bie bii bim bin bip bir bis biu bmb bmc bme bmi bmm bmn bmp bmr bms bmu bnb bnc bne bni bnn bnp bnr bns bnu bpb bpc bpe bpi bpm bpn bpp bpr bps bpu brb bre bri brm brn brp brr brs bru bsb bsc bse bsi bsm bsn bsp bsr bss bsu bub buc bue bui bum bun bup bur bus buu c-- cbb cbc cbe cbi cbm cbn cbp cbr cbs cbu ccb ccc cce cci ccm ccn ccp ccr ccs ccu ce- ceb cec cee cei cem cen cep cer ces ceu ci- cib cic cie cii cim cin cip cir cis ciu cmb cmc cme cmi cmm cmn cmp cmr cms cmu cn- cnb cnc cne cni cnm cnn cnp cnr cns cnu cpb cpc cpe cpi cpm cpn cpp cpr cps cpu crb crc cre cri crm crn crp crr crs cru csb csc cse csi csm csn csp csr css csu cub cuc cue cui cum cun cup cur cus cuu ebb ebc ebe ebi ebm ebn ebp ebr ebs ebu ec- ecb ecc ece eci ecm ecn ecr ecs ecu eeb eec eee eem een eep eer ees eib eic eie eii eim ein eip eir eis eiu em- emb emc eme emi emm emn emp emr ems emu en- enb enc ene eni enm enn enp enr ens enu ep- epb epc epe epi epm epn epp epr eps epu erb erc ere eri erm ern erp err ers eru es- esb esc ese esi esm esn esp esr ess esu eu- eub euc eue eui eun eup eur eus ibb ibc ibe ibi ibm ibn ibp ibr ibs ibu icb icc ice ici icm icn icp icr ics icu ie- iec iee iei iem ien iep ier ies iib iic iie iii iim iin iip iir iis iiu im- imb imc ime imi imm imn imp ims imu in- inb inc ine ini inm inn inp inr ins inu ipb ipc ipe ipi ipm ipn ipp ipr ips ipu ir- irb irc ire iri irm irn irp irr irs iru is- isb isc ise isi ism isn isp isr iss isu iu- iub iuc iue iui ium iup iur ius m-r mbb mbc mbe mbi mbm mbp mbr mbs mbu mc- mcb mcc mce mci mcm mcn mcp mcr mcs mcu meb mec mee mei mem men mep mer mes meu mi- mib mic mie mii mim min mip mir mis miu mmb mmc mme mmi mmm mmn mmp mmr mms mmu mnb mnc mne mni mnm mnn mnp mnr mns mnu mpb mpc mpe mpi mpm mpn mpp mpr mps mpu mrb mrc mre mri mrm mrn mrp mrr mrs mru msb msc mse msi msm msn msp msr mss msu mub muc mue mui mum mun mup mur mus muu n-i nbb nbc nbe nbi nbm nbn nbp nbr nbs nbu ncb ncc nce nci ncm ncn ncp ncr ncs ncu ne- neb nec nee nei nem nen nep ner nes neu nib nic nie nii nim nin nip nir nis niu nmb nmc nme nmi nmm nmn nmp nmr nms nmu nnb nnc nne nni nnm nnn nnp nns nnu npb npc npe npi npm npn npp npr nps npu nrb nrc nre nri nrm nrn nrp nrr nrs nru nsb nsc nse nsi nsm nsn nsp nsr nss nsu nub nuc nue nui num nun nup nur nus nuu p-p pbb pbc pbe pbi pbm pbn pbp pbr pbs pbu pcb pcc pce pci pcm pcn pcp pcr pcs pcu peb pec pee pei pem pen pep per pes peu pib pic pie pii pim pin pip pir pis piu pmb pmc pme pmi pmm pmn pmp pmr pms pmu pn- pnb pnc pne pni pnm pnn pnp pnr pns pnu ppb ppc ppe ppi ppm ppn ppp ppr pps ppu prb prc pre pri prm prn prp prr prs pru ps- psb psc pse psi psm psn psp psr pss psu pub puc pue pui pum pun pup pur pus puu rbb rbc rbe rbi rbm rbn rbp rbr rbs rbu rcb rcc rce rci rcm rcn rcp rcr rcs rcu re- reb rec ree rei rem ren rep rer res reu rib ric rie rii rim rin rip rir ris rmb rmc rme rmi rmm rmn rmp rmr rms rnb rnc rni rnm rnn rnp rnr rns rnu rpb rpc rpe rpi rpm rpn rpp rpr rps rpu rrb rrc rri rrm rrn rrp rrr rrs rru rsb rsc rse rsi rsm rsn rsp rsr rss rsu rub ruc rue rui rum run rup rur rus ruu sbb sbc sbe sbi sbm sbn sbp sbr sbs sbu scb scc sce sci scm scn scp scr scs scu se- seb sec see sei sem sen sep ser ses seu sib sic sie sii sim sin sip sir sis siu smb smc sme smi smm smn smp smr sms smu snb snc sne sni snm snn snp snr sns snu spb spc spe spi spm spn spp spr sps spu sr- srb src sre sri srm srn srp srr srs ss- ssb ssc sse ssi ssm ssn ssp ssr sss ssu sub suc sue sui sum sun sup sur sus suu ubb ubc ube ubi ubn ubp ubr ubs ubu ucb ucc uce uci ucm ucn ucp ucr ucs ucu ueb uec uee uei uem uen uep uer ues uib uic uie uii uim uin uip uir uis uiu um- umb umc ume umi umm umn ump umr ums umu un- unb unc une uni unm unn unp unr uns unu up- upb upc upe upi upm upn upp upr ups upu ur- urb urc ure uri urm urn urp urr urs uru usb usc