-er -ic -up b-p b-u bbb bbc bbe bbi bbl bbn bbp bbr bbs bbu bcb bcc bce bci bcl bcn bcp bcr bcs bcu be- beb bec bee bei bel ben bep ber bes beu bi- bib bic bie bii bil bin bip bir bis biu blb blc ble bli bll bln blp blr bls blu bnb bnc bne bni bnl bnn bnp bnr bns bnu bpb bpc bpe bpi bpl bpn bpp bpr bps bpu brb bre bri brl brn brp brr brs bru bsb bsc bse bsi bsl bsn bsp bsr bss bsu bub buc bue bui bul bun bup bur bus buu c-- cbb cbc cbe cbi cbl cbn cbp cbr cbs cbu ccb ccc cce cci ccl ccn ccp ccr ccs ccu ce- ceb cec cee cei cel cen cep cer ces ceu ci- cib cic cie cii cil cin cip cir cis ciu cl- clb clc cle cli cll cln clp clr cls clu cn- cnb cnc cne cni cnl cnn cnp cnr cns cnu cpb cpc cpe cpi cpl cpn cpp cpr cps cpu crb crc cre cri crl crn crp crr crs cru csb csc cse csi csl csn csp csr css csu cub cuc cue cui cul cun cup cur cus cuu ebb ebc ebe ebi ebl ebn ebp ebr ebs ebu ec- ecb ecc ece eci ecl ecn ecr ecs ecu eeb eec eee eel een eep eer ees eib eic eie eii eil ein eip eir eis eiu elb elc ele eli ell eln elp elr els elu en- enb enc ene eni enl enn enp enr ens enu ep- epb epc epe epi epl epn epp epr eps epu erb erc ere eri erl ern erp err ers eru es- esb esc ese esi esl esn esp esr ess esu eu- eub euc eue eui eul eun eup eur eus ibb ibc ibe ibi ibl ibn ibp ibr ibs ibu icb icc ice ici icl icn icp icr ics icu ie- iec iee iei iel ien iep ier ies iib iic iie iii iil iin iip iir iis iiu il- ilb ilc ile ili ill iln ilp ilr ils ilu in- inb inc ine ini inl inn inp inr ins inu ipb ipc ipe ipi ipl ipn ipp ipr ips ipu ir- irb irc ire iri irl irn irp irr irs iru is- isb isc ise isi isl isn isp isr iss isu iu- iub iuc iue iui iup iur ius l-p lbb lbc lbe lbi lbl lbp lbr lbs lbu lcb lcc lce lci lcl lcn lcp lcr lcs lcu leb lec lee lei lel len lep ler les leu lib lic lie lii lil lin lip lir lis liu llb llc lle lli lll lln llp llr lls llu lnb lnc lne lni lnl lnn lnp lnr lns lnu lpb lpc lpe lpi lpl lpn lpp lpr lps lpu lrb lrc lri lrn lrp lrr lrs lru lsb lsc lse lsi lsl lsn lsp lsr lss lsu lub luc lue lui lul lun lup lur lus luu n-i nbb nbc nbe nbi nbl nbn nbp nbr nbs nbu ncb ncc nce nci ncl ncn ncp ncr ncs ncu ne- neb nec nee nei nel nen nep ner nes neu nib nic nie nii nil nin nip nir nis niu nlb nlc nle nli nll nln nlp nlr nls nlu nnb nnc nne nni nnl nnn nnp nns nnu npb npc npe npi npl npn npp npr nps npu nrb nrc nre nri nrl nrn nrp nrr nrs nru nsb nsc nse nsi nsl nsn nsp nsr nss nsu nub nuc nue nui nul nun nup nur nus nuu p-p pbb pbc pbe pbi pbl pbn pbp pbr pbs pbu pcb pcc pce pci pcl pcn pcp pcr pcs pcu peb pec pee pei pel pen pep per pes peu pib pic pie pii pil pin pip pir pis piu plb plc ple pli pll pln plp plr pls plu pn- pnb pnc pne pni pnl pnn pnp pnr pns pnu ppb ppc ppe ppi ppl ppn ppp ppr pps ppu prb prc pre pri prl prn prp prr prs pru ps- psb psc pse psi psl psn psp psr pss psu pub puc pue pui pul pun pup pur pus puu rbb rbc rbe rbi rbl rbn rbp rbr rbs rbu rcb rcc rce rci rcl rcn rcp rcr rcs rcu re- reb rec ree rei rel ren rep rer res reu rib ric rie rii ril rin rip rir ris rlc rle rli rll rln rlp rlr rls rlu rnb rnc rni rnn rnp rnr rns rnu rpb rpc rpe rpi rpl rpn rpp rpr rps rpu rrb rrc rri rrl rrn rrp rrr rrs rru rsb rsc rse rsi rsl rsn rsp rsr rss rsu rub ruc rue rui run rup rur rus ruu sbb sbc sbe sbi sbl sbn sbp sbr sbs sbu scb scc sce sci scl scn scp scr scs scu se- seb sec see sei sel sen sep ser ses seu sib sic sie sii sil sin sip sir sis siu slb slc sle sli sll sln slp slr sls slu snb snc sne sni snl snn snp snr sns snu spb spc spe spi spl spn spp spr sps spu sr- srb src sre sri srl srn srp srr srs ss- ssb ssc sse ssi ssl ssn ssp ssr sss ssu sub suc sue sui sul sun sup sur sus suu ubb ubc ube ubi ubl ubn ubp ubr ubs ubu ucb ucc uce uci ucl ucn ucp ucr ucs ucu ueb uec uee uei uel uen uep uer ues uib uic uie uii uil uin uip uir uis uiu ulb ulc ule uli ull uln ulp ulr uls ulu un- unb unc une uni unl unn unp unr uns unu up- upb upc upe upi upn upp upr ups upu ur- urb urc ure uri url urn urp urr urs uru usb usc use usi usl usn usp