-th b-u bbb bbc bbe bbh bbn bbt bbu bcb bcc bce bch bcn bct bcu be- beb bec bee beh ben bet beu bhb bhc bhe bhh bht bhu bnb bnc bne bnn bnt bnu btb btc bte bth btn btt btu bub buc bue buh bun but buu c-- cbb cbc cbe cbh cbn cbt cbu ccb ccc cce cch ccn cct ccu ce- ceb cec cee ceh cen cet ceu ch- chb chc che chh chn cht chu cn- cnb cnc cne cnh cnn cnt cnu ctb ctc cte cth ctn ctt ctu cub cuc cue cuh cun cut cuu ebb ebc ebe ebh ebn ebt ebu ec- ecb ecc ece ech ecn ect ecu eeb eec eee een eet ehb ehc ehe ehh ehn eht ehu en- enb enc ene enh enn ent enu etb etc ete eth etn ett etu eu- eub euc eue eun eut hbb hbc hbe hbh hbn hbt hbu hcb hcc hce hch hcn hct he- heb hec hee heh hen het heu hhb hhc hhe hhh hhn hht hhu hnb hnc hne hnh hnn hnt hnu htb htc hte hth htn htt hub huc hue huh hun hut huu nbb nbc nbe nbn nbt nbu ncb ncc nce nch ncn nct ncu ne- neb nec nee neh nen net neu nhb nhc nhe nhh nhn nht nhu nnb nnc nne nnh nnn nnt nnu ntb ntc nte nth ntn ntt ntu nub nuc nue nuh nun nut nuu tbb tbc tbe tbh tbn tbt tbu tcb tcc tce tch tcn tct tcu te- teb tec tee teh ten tet teu th- thb thc the thh thn tht thu tnb tnc tne tnh tnn tnt ttb ttc tte tth ttn ttt ttu tub tuc tue tuh tun tut tuu ubb ubc ube ubh ubn ubt ubu ucb ucc uce uch ucn uct ucu ueb uec uee ueh uen uet uhb uhc uhe uhh uht uhu un- unb unc une unh unn unt unu utb utc ute uth utn utt utu uuc uue uun uut uuu