-er -ic b-u bbb bbc bbe bbf bbg bbi bbl bbn bbr bbu bcb bcc bce bcf bcg bci bcl bcn bcr bcu be- beb bec bee bef beg bei bel ben ber beu bfb bfc bfe bff bfg bfi bfl bfn bfr bfu bgb bgc bge bgf bgg bgi bgl bgn bgr bgu bi- bib bic bie bif big bii bil bin bir biu blb blc ble blf blg bli bll bln blr blu bnb bnc bne bnf bng bni bnl bnn bnr bnu brb bre brf brg bri brl brn brr bru bub buc bue buf bug bui bul bun bur buu c-- cbb cbc cbe cbf cbg cbi cbl cbn cbr cbu ccb ccc cce ccf ccg cci ccl ccn ccr ccu ce- ceb cec cee cef ceg cei cel cen cer ceu cfb cfc cfe cff cfg cfi cfl cfn cfr cfu cgb cgc cge cgg cgi cgl cgn cgr cgu ci- cib cic cie cif cig cii cil cin cir ciu cl- clb clc cle clf clg cli cll cln clr clu cn- cnb cnc cne cnf cng cni cnl cnn cnr cnu crb crc cre crf crg cri crl crn crr cru cub cuc cue cuf cug cui cul cun cur cuu ebb ebc ebe ebf ebg ebi ebl ebn ebr ebu ec- ecb ecc ece ecf ecg eci ecl ecn ecr ecu eeb eec eee eef eeg eel een eer ef- efb efc efe eff efg efi efl efr egb egc ege egf egg egi egl egn egr egu eib eic eie eif eig eii eil ein eir eiu elb elc ele elf elg eli ell eln elr elu en- enb enc ene enf eng eni enl enn enr enu erb erc ere erf erg eri erl ern err eru eu- eub euc eue euf eug eui eul eun eur fbb fbc fbe fbf fbg fbi fbl fbn fbr fbu fcb fcc fce fcf fcg fci fcl fcn fcr fcu feb fec fee fef feg fei fel fen fer feu ffc ffe fff ffg ffi ffl ffn ffr ffu fgb fgc fge fgf fgg fgi fgl fgn fgr fib fic fie fif fig fii fil fin fir fiu flb flc fle flf flg fli fll fln flr flu fnb fnc fne fnf fng fni fnl fnn fnr fnu frb frc fre frf frg fri frl frn frr fru fub fue fuf fug fui ful fun fur fuu gbc gbe gbf gbg gbi gbl gbn gbr gbu gcb gcc gce gcf gcg gci gcl gcn gcr gcu ge- geb gec gee gef geg gei gel gen ger geu gfb gfc gfe gff gfi gfl gfr ggb ggc ggg ggi ggn ggr ggu gib gic gie gif gig gii gil gin gir giu glb glc gle glf glg gli gll gln glr glu gnb gnc gne gnf gni gnl gnn gnr gnu grb grc gre grf grg gri grl grn grr gru gu- gub guc gue guf gug gui gul gun gur guu i-f ibb ibc ibe ibf ibg ibi ibl ibn ibr ibu icb icc ice icf icg ici icl icn icr icu ie- iec iee ief ieg iei iel ien ier ifb ifc ife iff ifg ifi ifl ifn ifr ifu igb igc ige igf igg igi igl ign igr igu iib iic iie iif iii iil iin iir iiu il- ilb ilc ile ilf ilg ili ill iln ilr ilu in- inb inc ine inf ing ini inl inn inr inu ir- irb irc ire irf irg iri irl irn irr iru iu- iub iuc iue iug iui iur lbb lbc lbe lbf lbg lbi lbl lbr lbu lcb lcc lce lcf lcg lci lcl lcn lcr lcu leb lec lee lef leg lei lel len ler leu lfb lfc lfe lff lfg lfi lfl lfn lfr lfu lgb lgc lge lgf lgg lgi lgl lgn lgr lgu lib lic lie lif lig lii lil lin lir liu llb llc lle llf llg lli lll lln llr llu lnb lnc lne lng lni lnl lnn lnr lnu lrb lrc lrf lrg lri lrn lrr lru lub luc lue luf lug lui lul lun lur luu n-i nbb nbc nbe nbf nbg nbi nbl nbn nbr nbu ncb ncc nce ncf ncg nci ncl ncn ncr ncu ne- neb nec nee nef neg nei nel nen ner neu nfb nfc nfe nff nfi nfl nfn nfr nfu ngb ngc nge ngf ngg ngi ngl ngn ngu nib nic nie nif nig nii nil nin nir niu nlb nlc nle nlf nlg nli nll nln nlr nlu nnb nnc nne nnf nng nni nnl nnn nnu nrb nrc nre nrf nrg nri nrl nrn nrr nru nub nuc nue nug nui nul nun nur nuu rbb rbc rbe rbf rbg rbi rbl rbn rbr rbu rcb rcc rce rcf rcg rci rcl rcn rcr rcu re- reb rec ree ref reg rei rel ren rer reu rfb rfc rfe rff rfg rfi rfl rfn rfr rfu rgb rgc rge rgf rgg rgi rgn rgr rib ric rie rif rig rii ril rin rir rlc rle rlf rlg rli rll rln rlr rlu rnb rnc rng rni rnn rnr rnu rrb rrc rrf rrg rri rrl rrn rrr rru rub ruc rue ruf rug rui run rur ruu ubb ubc ube ubf ubg ubi ubl ubn ubr ubu ucb ucc uce ucf ucg uci ucl ucn ucr ucu ueb uec uee uef ueg uei uel uen uer ufc ufe uff ufg ufi ufl ufn ufr ufu ugb ugc uge ugf ugg ugi ugl ugn ugr ugu uib uic uie uif uig uii uil uin uir uiu ulb ulc ule ulf ulg uli ull uln ulr ulu un- unb unc une unf ung uni unl unn unr unu ur- urb urc ure urf urg uri url urn urr uru uuc uue uug uun uur uuu

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