-er -ic -up b-p b-u bbb bbc bbe bbg bbi bbl bbn bbp bbr bbu bcb bcc bce bcg bci bcl bcn bcp bcr bcu be- beb bec bee beg bei bel ben bep ber beu bgb bgc bge bgg bgi bgl bgn bgp bgr bgu bi- bib bic bie big bii bil bin bip bir biu blb blc ble blg bli bll bln blp blr blu bnb bnc bne bng bni bnl bnn bnp bnr bnu bpb bpc bpe bpg bpi bpl bpn bpp bpr bpu brb bre brg bri brl brn brp brr bru bub buc bue bug bui bul bun bup bur buu c-- cbb cbc cbe cbg cbi cbl cbn cbp cbr cbu ccb ccc cce ccg cci ccl ccn ccp ccr ccu ce- ceb cec cee ceg cei cel cen cep cer ceu cgb cgc cge cgg cgi cgl cgn cgp cgr cgu ci- cib cic cie cig cii cil cin cip cir ciu cl- clb clc cle clg cli cll cln clp clr clu cn- cnb cnc cne cng cni cnl cnn cnp cnr cnu cpb cpc cpe cpg cpi cpl cpn cpp cpr cpu crb crc cre crg cri crl crn crp crr cru cub cuc cue cug cui cul cun cup cur cuu ebb ebc ebe ebg ebi ebl ebn ebp ebr ebu ec- ecb ecc ece ecg eci ecl ecn ecr ecu eeb eec eee eeg eel een eep eer egb egc ege egg egi egl egn egp egr egu eib eic eie eig eii eil ein eip eir eiu elb elc ele elg eli ell eln elp elr elu en- enb enc ene eng eni enl enn enp enr enu ep- epb epc epe epg epi epl epn epp epr epu erb erc ere erg eri erl ern erp err eru eu- eub euc eue eug eui eul eun eup eur g-p gbc gbe gbg gbi gbl gbn gbp gbr gbu gcb gcc gce gcg gci gcl gcn gcp gcr gcu ge- geb gec gee geg gei gel gen gep ger geu ggb ggc ggg ggi ggn ggp ggr ggu gib gic gie gig gii gil gin gip gir giu glb glc gle glg gli gll gln glp glr glu gnb gnc gne gni gnl gnn gnp gnr gnu gpb gpc gpe gpg gpi gpl gpn gpp gpr gpu grb grc gre grg gri grl grn grp grr gru gu- gub guc gue gug gui gul gun gup gur guu ibb ibc ibe ibg ibi ibl ibn ibp ibr ibu icb icc ice icg ici icl icn icp icr icu ie- iec iee ieg iei iel ien iep ier igb igc ige igg igi igl ign igp igr igu iib iic iie iii iil iin iip iir iiu il- ilb ilc ile ilg ili ill iln ilp ilr ilu in- inb inc ine ing ini inl inn inp inr inu ipb ipc ipe ipg ipi ipl ipn ipp ipr ipu ir- irb irc ire irg iri irl irn irp irr iru iu- iub iuc iue iug iui iup iur l-p lbb lbc lbe lbg lbi lbl lbp lbr lbu lcb lcc lce lcg lci lcl lcn lcp lcr lcu leb lec lee leg lei lel len lep ler leu lgb lgc lge lgg lgi lgl lgn lgp lgr lgu lib lic lie lig lii lil lin lip lir liu llb llc lle llg lli lll lln llp llr llu lnb lnc lne lng lni lnl lnn lnp lnr lnu lpb lpc lpe lpg lpi lpl lpn lpp lpr lpu lrb lrc lrg lri lrn lrp lrr lru lub luc lue lug lui lul lun lup lur luu n-i nbb nbc nbe nbg nbi nbl nbn nbp nbr nbu ncb ncc nce ncg nci ncl ncn ncp ncr ncu ne- neb nec nee neg nei nel nen nep ner neu ngb ngc nge ngg ngi ngl ngn ngp ngu nib nic nie nig nii nil nin nip nir niu nlb nlc nle nlg nli nll nln nlp nlr nlu nnb nnc nne nng nni nnl nnn nnp nnu npb npc npe npg npi npl npn npp npr npu nrb nrc nre nrg nri nrl nrn nrp nrr nru nub nuc nue nug nui nul nun nup nur nuu p-p pbb pbc pbe pbg pbi pbl pbn pbp pbr pbu pcb pcc pce pcg pci pcl pcn pcp pcr pcu peb pec pee peg pei pel pen pep per peu pgb pgc pge pgg pgi pgl pgn pgp pgr pib pic pie pig pii pil pin pip pir piu plb plc ple plg pli pll pln plp plr plu pn- pnb pnc pne png pni pnl pnn pnp pnr pnu ppb ppc ppe ppg ppi ppl ppn ppp ppr ppu prb prc pre prg pri prl prn prp prr pru pub puc pue pug pui pul pun pup pur puu rbb rbc rbe rbg rbi rbl rbn rbp rbr rbu rcb rcc rce rcg rci rcl rcn rcp rcr rcu re- reb rec ree reg rei rel ren rep rer reu rgb rgc rge rgg rgi rgn rgp rgr rib ric rie rig rii ril rin rip rir rlc rle rlg rli rll rln rlp rlr rlu rnb rnc rng rni rnn rnp rnr rnu rpb rpc rpe rpg rpi rpl rpn rpp rpr rpu rrb rrc rrg rri rrl rrn rrp rrr rru rub ruc rue rug rui run rup rur ruu ubb ubc ube ubg ubi ubl ubn ubp ubr ubu ucb ucc uce ucg uci ucl ucn ucp ucr ucu ueb uec uee ueg uei uel uen uep uer ugb ugc uge ugg ugi ugl ugn ugp ugr ugu uib uic uie uig uii uil uin uip uir uiu ulb ulc ule ulg uli ull uln ulp ulr ulu un- unb unc une ung uni unl unn unp unr unu up- upb upc upe upg upi upn upp upr upu ur- urb urc ure urg uri url urn urp urr uru uuc uue uug uun uur uuu