-th b-u bbb bbc bbe bbh bbl bbn bbt bbu bcb bcc bce bch bcl bcn bct bcu be- beb bec bee beh bel ben bet beu bhb bhc bhe bhh bhl bht bhu blb blc ble blh bll bln blt blu bnb bnc bne bnl bnn bnt bnu btb btc bte bth btl btn btt btu bub buc bue buh bul bun but buu c-- cbb cbc cbe cbh cbl cbn cbt cbu ccb ccc cce cch ccl ccn cct ccu ce- ceb cec cee ceh cel cen cet ceu ch- chb chc che chh chl chn cht chu cl- clb clc cle clh cll cln clt clu cn- cnb cnc cne cnh cnl cnn cnt cnu ctb ctc cte cth ctl ctn ctt ctu cub cuc cue cuh cul cun cut cuu ebb ebc ebe ebh ebl ebn ebt ebu ec- ecb ecc ece ech ecl ecn ect ecu eeb eec eee eel een eet ehb ehc ehe ehh ehl ehn eht ehu elb elc ele elh ell eln elt elu en- enb enc ene enh enl enn ent enu etb etc ete eth etl etn ett etu eu- eub euc eue eul eun eut hbb hbc hbe hbh hbl hbn hbt hbu hcb hcc hce hch hcl hcn hct he- heb hec hee heh hel hen het heu hhb hhc hhe hhh hhl hhn hht hhu hlb hlc hle hlh hll hln hlt hlu hnb hnc hne hnh hnl hnn hnt hnu htb htc hte hth htl htn htt hub huc hue huh hul hun hut huu lbb lbc lbe lbh lbl lbt lbu lcb lcc lce lch lcl lcn lct lcu leb lec lee leh lel len let leu lhb lhc lhh lht lhu llb llc lle lll lln llt llu lnb lnc lne lnh lnl lnn lnt lnu ltb ltc lte lth ltl ltt ltu lub luc lue luh lul lun lut luu nbb nbc nbe nbl nbn nbt nbu ncb ncc nce nch ncl ncn nct ncu ne- neb nec nee neh nel nen net neu nhb nhc nhe nhh nhl nhn nht nhu nlb nlc nle nlh nll nln nlt nlu nnb nnc nne nnh nnl nnn nnt nnu ntb ntc nte nth ntn ntt ntu nub nuc nue nuh nul nun nut nuu tbb tbc tbe tbh tbl tbn tbt tbu tcb tcc tce tch tcl tcn tct tcu te- teb tec tee teh tel ten tet teu th- thb thc the thh thl thn tht thu tlc tle tlh tll tln tlt tlu tnb tnc tne tnh tnl tnn tnt ttb ttc tte tth ttl ttn ttt ttu tub tuc tue tuh tul tun tut tuu ubb ubc ube ubh ubl ubn ubt ubu ucb ucc uce uch ucl ucn uct ucu ueb uec uee ueh uel uen uet uhb uhc uhe uhh uhl uht uhu ulb ulc ule ull uln ult ulu un- unb unc une unh unl unn unt unu utb utc ute uth utl utn utt utu uuc uue uun uut uuu