-er b-u bbb bbc bbd bbe bbg bbh bbl bbn bbr bbu bcb bcc bcd bce bcg bch bcl bcn bcr bcu bdb bdc bdd bde bdg bdh bdl bdr bdu be- beb bec bed bee beg beh bel ben ber beu bgb bgc bgd bge bgg bgh bgl bgn bgr bgu bhb bhc bhd bhe bhg bhh bhl bhr bhu blb blc bld ble blg blh bll bln blr blu bnb bnc bnd bne bng bnl bnn bnr bnu brb brd bre brg brh brl brn brr bru bub buc bud bue bug buh bul bun bur buu c-- cbb cbc cbd cbe cbg cbh cbl cbn cbr cbu ccb ccc ccd cce ccg cch ccl ccn ccr ccu cdb cdc cdd cde cdg cdh cdl cdn cdr cdu ce- ceb cec ced cee ceg ceh cel cen cer ceu cgb cgc cgd cge cgg cgh cgl cgn cgr cgu ch- chb chc chd che chg chh chl chn chr chu cl- clb clc cld cle clg clh cll cln clr clu cn- cnb cnc cnd cne cng cnh cnl cnn cnr cnu crb crc crd cre crg crh crl crn crr cru cub cuc cud cue cug cuh cul cun cur cuu dbb dbc dbd dbe dbg dbh dbl dbn dbr dbu dcb dcc dcd dce dcg dcl dcn dcr dcu ddb ddc ddd dde ddg ddh ddl ddn ddr ddu de- deb dec ded dee deg deh del den der deu dgc dgd dge dgg dgh dgl dgn dgr dgu dh- dhb dhc dhd dhe dhh dhl dhr dhu dl- dlb dlc dld dle dlg dlh dll dlr dlu dnb dnc dnd dne dng dnh dnl dnn dnr drb drc drd dre drg drl drn drr dru dub duc dud due dug duh dul dun dur ebb ebc ebd ebe ebg ebh ebl ebn ebr ebu ec- ecb ecc ecd ece ecg ech ecl ecn ecr ecu ed- edb edc edd ede edg edh edl edn edr edu eeb eec eed eee eeg eel een eer egb egc egd ege egg egh egl egn egr egu ehb ehc ehd ehe ehg ehh ehl ehn ehr ehu elb elc eld ele elg elh ell eln elr elu en- enb enc end ene eng enh enl enn enr enu erb erc erd ere erg erh erl ern err eru eu- eub euc eud eue eug eul eun eur g-d gbc gbd gbe gbg gbh gbl gbn gbr gbu gcb gcc gcd gce gcg gch gcl gcn gcr gcu gdb gdc gdd gde gdh gdl gdn gdr gdu ge- geb gec ged gee geg geh gel gen ger geu ggb ggc ggd ggg ggh ggn ggr ggu ghb ghc ghd ghe ghg ghh ghl ghn ghr glb glc gld gle glg glh gll gln glr glu gnb gnc gnd gne gnl gnn gnr gnu grb grc grd gre grg grh grl grn grr gru gu- gub guc gud gue gug gul gun gur guu hbb hbc hbd hbe hbg hbh hbl hbn hbr hbu hcb hcc hcd hce hcg hch hcl hcn hcr hdb hdc hdd hde hdg hdh hdl hdn hdr hdu he- heb hec hed hee heg heh hel hen her heu hgb hgc hge hgg hgh hgl hgn hgr hgu hhb hhc hhd hhe hhg hhh hhl hhn hhr hhu hlb hlc hld hle hlg hlh hll hln hlr hlu hnb hnc hnd hne hng hnh hnl hnn hnu hr- hrb hrc hrd hre hrg hrh hrl hrn hrr hru hub huc hud hue hug huh hul hun hur huu lbb lbc lbd lbe lbg lbh lbl lbr lbu lcb lcc lcd lce lcg lch lcl lcn lcr lcu ldb ldc ldd lde ldg ldh ldl ldn ldr ldu leb lec led lee leg leh lel len ler leu lgb lgc lgd lge lgg lgh lgl lgn lgr lgu lhb lhc lhd lhh lhr lhu llb llc lld lle llg lll lln llr llu lnb lnc lnd lne lng lnh lnl lnn lnr lnu lrb lrc lrd lrg lrh lrn lrr lru lub luc lud lue lug luh lul lun lur luu nbb nbc nbd nbe nbg nbl nbn nbr nbu ncb ncc ncd nce ncg nch ncl ncn ncr ncu ndb ndc ndd nde ndg ndh ndl ndn ndr ndu ne- neb nec ned nee neg neh nel nen ner neu ngb ngc ngd nge ngg ngh ngl ngn ngu nhb nhc nhd nhe nhg nhh nhl nhn nhr nhu nlb nlc nld nle nlg nlh nll nln nlr nlu nnb nnc nne nng nnh nnl nnn nnu nrb nrc nrd nre nrg nrl nrn nrr nru nub nuc nud nue nug nuh nul nun nur nuu rbb rbc rbd rbe rbg rbh rbl rbn rbr rbu rcb rcc rcd rce rcg rch rcl rcn rcr rcu rdb rdc rdd rde rdg rdh rdl rdn rdr rdu re- reb rec red ree reg reh rel ren rer reu rgb rgc rgd rge rgg rgh rgn rgr rh- rhb rhc rhd rhe rhg rhh rhl rhn rhr rhu rlc rld rle rlg rlh rll rln rlr rlu rnb rnc rnd rng rnh rnn rnr rnu rrb rrc rrd rrg rrh rrl rrn rrr rru rub ruc rud rue rug ruh run rur ruu ubb ubc ube ubg ubh ubl ubn ubr ubu ucb ucc ucd uce ucg uch ucl ucn ucr ucu udb udc udd ude udg udl udn udr udu ueb uec ued uee ueg ueh uel uen uer ugb ugc uge ugg ugh ugl ugn ugr ugu uhb uhc uhd uhe uhh uhl uhr uhu ulb ulc uld ule ulg ull uln ulr ulu un- unb unc und une ung unh unl unn unr unu ur- urb urc urd ure urg url urn urr uru uuc uue uug uun uur uuu

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