-er -th b-u bbb bbc bbe bbg bbh bbn bbr bbt bbu bcb bcc bce bcg bch bcn bcr bct bcu be- beb bec bee beg beh ben ber bet beu bgb bgc bge bgg bgh bgn bgr bgt bgu bhb bhc bhe bhg bhh bhr bht bhu bnb bnc bne bng bnn bnr bnt bnu brb bre brg brh brn brr brt bru btb btc bte btg bth btn btr btt btu bub buc bue bug buh bun bur but buu c-- cbb cbc cbe cbg cbh cbn cbr cbt cbu ccb ccc cce ccg cch ccn ccr cct ccu ce- ceb cec cee ceg ceh cen cer cet ceu cgb cgc cge cgg cgh cgn cgr cgt cgu ch- chb chc che chg chh chn chr cht chu cn- cnb cnc cne cng cnh cnn cnr cnt cnu crb crc cre crg crh crn crr crt cru ctb ctc cte ctg cth ctn ctr ctt ctu cub cuc cue cug cuh cun cur cut cuu ebb ebc ebe ebg ebh ebn ebr ebt ebu ec- ecb ecc ece ecg ech ecn ecr ect ecu eeb eec eee eeg een eer eet egb egc ege egg egh egn egr egt egu ehb ehc ehe ehg ehh ehn ehr eht ehu en- enb enc ene eng enh enn enr ent enu erb erc ere erg erh ern err ert eru etb etc ete etg eth etn etr ett etu eu- eub euc eue eug eun eur eut gbc gbe gbg gbh gbn gbr gbt gbu gcb gcc gce gcg gch gcn gcr gct gcu ge- geb gec gee geg geh gen ger get geu ggb ggc ggg ggh ggn ggr ggt ggu ghb ghc ghe ghg ghh ghn ghr ght gnb gnc gne gnn gnr gnt gnu grb grc gre grg grh grn grr grt gru gtb gtc gte gtg gth gtn gtr gtt gtu gu- gub guc gue gug gun gur gut guu hbb hbc hbe hbg hbh hbn hbr hbt hbu hcb hcc hce hcg hch hcn hcr hct he- heb hec hee heg heh hen her het heu hgb hgc hge hgg hgh hgn hgr hgt hgu hhb hhc hhe hhg hhh hhn hhr hht hhu hnb hnc hne hng hnh hnn hnt hnu hr- hrb hrc hre hrg hrh hrn hrr hrt hru htb htc hte htg hth htn htr htt hub huc hue hug huh hun hur hut huu nbb nbc nbe nbg nbn nbr nbt nbu ncb ncc nce ncg nch ncn ncr nct ncu ne- neb nec nee neg neh nen ner net neu ngb ngc nge ngg ngh ngn ngt ngu nhb nhc nhe nhg nhh nhn nhr nht nhu nnb nnc nne nng nnh nnn nnt nnu nrb nrc nre nrg nrn nrr nrt nru ntb ntc nte ntg nth ntn ntr ntt ntu nub nuc nue nug nuh nun nur nut nuu rbb rbc rbe rbg rbh rbn rbr rbt rbu rcb rcc rce rcg rch rcn rcr rct rcu re- reb rec ree reg reh ren rer ret reu rgb rgc rge rgg rgh rgn rgr rgt rh- rhb rhc rhe rhg rhh rhn rhr rht rhu rnb rnc rng rnh rnn rnr rnt rnu rrb rrc rrg rrh rrn rrr rrt rru rtb rtc rte rtg rtn rtr rtt rtu rub ruc rue rug ruh run rur rut ruu tbb tbc tbe tbg tbh tbn tbr tbt tbu tcb tcc tce tcg tch tcn tcr tct tcu te- teb tec tee teg teh ten ter tet teu tgb tgc tge tgg tgh tgn tgr tgt tgu th- thb thc the thg thh thn thr tht thu tnb tnc tne tng tnh tnn tnr tnt trb trc tre trg trh trn trr trt tru ttb ttc tte ttg tth ttn ttr ttt ttu tub tuc tue tug tuh tun tur tut tuu ubb ubc ube ubg ubh ubn ubr ubt ubu ucb ucc uce ucg uch ucn ucr uct ucu ueb uec uee ueg ueh uen uer uet ugb ugc uge ugg ugh ugn ugr ugt ugu uhb uhc uhe uhh uhr uht uhu un- unb unc une ung unh unn unr unt unu ur- urb urc ure urg urn urr urt uru utb utc ute uth utn utr utt utu uuc uue uug uun uur uut uuu