-er -ic -up b-p b-u bbb bbc bbe bbg bbi bbn bbp bbr bbs bbu bcb bcc bce bcg bci bcn bcp bcr bcs bcu be- beb bec bee beg bei ben bep ber bes beu bgb bgc bge bgg bgi bgn bgp bgr bgs bgu bi- bib bic bie big bii bin bip bir bis biu bnb bnc bne bng bni bnn bnp bnr bns bnu bpb bpc bpe bpg bpi bpn bpp bpr bps bpu brb bre brg bri brn brp brr brs bru bsb bsc bse bsg bsi bsn bsp bsr bss bsu bub buc bue bug bui bun bup bur bus buu c-- cbb cbc cbe cbg cbi cbn cbp cbr cbs cbu ccb ccc cce ccg cci ccn ccp ccr ccs ccu ce- ceb cec cee ceg cei cen cep cer ces ceu cgb cgc cge cgg cgi cgn cgp cgr cgs cgu ci- cib cic cie cig cii cin cip cir cis ciu cn- cnb cnc cne cng cni cnn cnp cnr cns cnu cpb cpc cpe cpg cpi cpn cpp cpr cps cpu crb crc cre crg cri crn crp crr crs cru csb csc cse csg csi csn csp csr css csu cub cuc cue cug cui cun cup cur cus cuu ebb ebc ebe ebg ebi ebn ebp ebr ebs ebu ec- ecb ecc ece ecg eci ecn ecr ecs ecu eeb eec eee eeg een eep eer ees egb egc ege egg egi egn egp egr egs egu eib eic eie eig eii ein eip eir eis eiu en- enb enc ene eng eni enn enp enr ens enu ep- epb epc epe epg epi epn epp epr eps epu erb erc ere erg eri ern erp err ers eru es- esb esc ese esg esi esn esp esr ess esu eu- eub euc eue eug eui eun eup eur eus g-p gbc gbe gbg gbi gbn gbp gbr gbs gbu gcb gcc gce gcg gci gcn gcp gcr gcs gcu ge- geb gec gee geg gei gen gep ger ges geu ggb ggc ggg ggi ggn ggp ggr ggs ggu gib gic gie gig gii gin gip gir gis giu gnb gnc gne gni gnn gnp gnr gns gnu gpb gpc gpe gpg gpi gpn gpp gpr gps gpu grb grc gre grg gri grn grp grr grs gru gsb gsc gse gsg gsi gsn gsp gsr gss gsu gu- gub guc gue gug gui gun gup gur gus guu ibb ibc ibe ibg ibi ibn ibp ibr ibs ibu icb icc ice icg ici icn icp icr ics icu ie- iec iee ieg iei ien iep ier ies igb igc ige igg igi ign igp igr igs igu iib iic iie iii iin iip iir iis iiu in- inb inc ine ing ini inn inp inr ins inu ipb ipc ipe ipg ipi ipn ipp ipr ips ipu ir- irb irc ire irg iri irn irp irr irs iru is- isb isc ise isg isi isn isp isr iss isu iu- iub iuc iue iug iui iup iur ius n-i nbb nbc nbe nbg nbi nbn nbp nbr nbs nbu ncb ncc nce ncg nci ncn ncp ncr ncs ncu ne- neb nec nee neg nei nen nep ner nes neu ngb ngc nge ngg ngi ngn ngp ngs ngu nib nic nie nig nii nin nip nir nis niu nnb nnc nne nng nni nnn nnp nns nnu npb npc npe npg npi npn npp npr nps npu nrb nrc nre nrg nri nrn nrp nrr nrs nru nsb nsc nse nsg nsi nsn nsp nsr nss nsu nub nuc nue nug nui nun nup nur nus nuu p-p pbb pbc pbe pbg pbi pbn pbp pbr pbs pbu pcb pcc pce pcg pci pcn pcp pcr pcs pcu peb pec pee peg pei pen pep per pes peu pgb pgc pge pgg pgi pgn pgp pgr pgs pib pic pie pig pii pin pip pir pis piu pn- pnb pnc pne png pni pnn pnp pnr pns pnu ppb ppc ppe ppg ppi ppn ppp ppr pps ppu prb prc pre prg pri prn prp prr prs pru ps- psb psc pse psg psi psn psp psr pss psu pub puc pue pug pui pun pup pur pus puu rbb rbc rbe rbg rbi rbn rbp rbr rbs rbu rcb rcc rce rcg rci rcn rcp rcr rcs rcu re- reb rec ree reg rei ren rep rer res reu rgb rgc rge rgg rgi rgn rgp rgr rgs rib ric rie rig rii rin rip rir ris rnb rnc rng rni rnn rnp rnr rns rnu rpb rpc rpe rpg rpi rpn rpp rpr rps rpu rrb rrc rrg rri rrn rrp rrr rrs rru rsb rsc rse rsg rsi rsn rsp rsr rss rsu rub ruc rue rug rui run rup rur rus ruu sbb sbc sbe sbg sbi sbn sbp sbr sbs sbu scb scc sce scg sci scn scp scr scs scu se- seb sec see seg sei sen sep ser ses seu sgb sgc sge sgg sgi sgn sgp sgr sgs sgu sib sic sie sig sii sin sip sir sis siu snb snc sne sng sni snn snp snr sns snu spb spc spe spg spi spn spp spr sps spu sr- srb src sre srg sri srn srp srr srs ss- ssb ssc sse ssg ssi ssn ssp ssr sss ssu sub suc sue sug sui sun sup sur sus suu ubb ubc ube ubg ubi ubn ubp ubr ubs ubu ucb ucc uce ucg uci ucn ucp ucr ucs ucu ueb uec uee ueg uei uen uep uer ues ugb ugc uge ugg ugi ugn ugp ugr ugs ugu uib uic uie uig uii uin uip uir uis uiu un- unb unc une ung uni unn unp unr uns unu up- upb upc upe upg upi upn upp upr ups upu ur- urb urc ure urg uri urn urp urr urs uru usb usc use usg usi usn