b-u bbb bbc bbe bbh bbl bbn bbu bcb bcc bce bch bcl bcn bcu be- beb bec bee beh bel ben beu bhb bhc bhe bhh bhl bhu blb blc ble blh bll bln blu bnb bnc bne bnl bnn bnu bub buc bue buh bul bun buu c-- cbb cbc cbe cbh cbl cbn cbu ccb ccc cce cch ccl ccn ccu ce- ceb cec cee ceh cel cen ceu ch- chb chc che chh chl chn chu cl- clb clc cle clh cll cln clu cn- cnb cnc cne cnh cnl cnn cnu cub cuc cue cuh cul cun cuu ebb ebc ebe ebh ebl ebn ebu ec- ecb ecc ece ech ecl ecn ecu eeb eec eee eel een ehb ehc ehe ehh ehl ehn ehu elb elc ele elh ell eln elu en- enb enc ene enh enl enn enu eu- eub euc eue eul eun hbb hbc hbe hbh hbl hbn hbu hcb hcc hce hch hcl hcn he- heb hec hee heh hel hen heu hhb hhc hhe hhh hhl hhn hhu hlb hlc hle hlh hll hln hlu hnb hnc hne hnh hnl hnn hnu hub huc hue huh hul hun huu lbb lbc lbe lbh lbl lbu lcb lcc lce lch lcl lcn lcu leb lec lee leh lel len leu lhb lhc lhh lhu llb llc lle lll lln llu lnb lnc lne lnh lnl lnn lnu lub luc lue luh lul lun luu nbb nbc nbe nbl nbn nbu ncb ncc nce nch ncl ncn ncu ne- neb nec nee neh nel nen neu nhb nhc nhe nhh nhl nhn nhu nlb nlc nle nlh nll nln nlu nnb nnc nne nnh nnl nnn nnu nub nuc nue nuh nul nun nuu ubb ubc ube ubh ubl ubn ubu ucb ucc uce uch ucl ucn ucu ueb uec uee ueh uel uen uhb uhc uhe uhh uhl uhu ulb ulc ule ull uln ulu un- unb unc une unh unl unn unu uuc uue uun uuu