b-u bbb bbc bbe bbn bbt bbu bbx bcb bcc bce bcn bct bcu bcx be- beb bec bee ben bet beu bex bnb bnc bne bnn bnt bnu bnx btb btc bte btn btt btu btx bub buc bue bun but buu bux bxb bxn bxx c-- cbb cbc cbe cbn cbt cbu cbx ccb ccc cce ccn cct ccu ccx ce- ceb cec cee cen cet ceu cex cn- cnb cnc cne cnn cnt cnu cnx ctb ctc cte ctn ctt ctu ctx cub cuc cue cun cut cuu cxc cxt cxx ebb ebc ebe ebn ebt ebu ebx ec- ecb ecc ece ecn ect ecu ecx eeb eec eee een eet eex en- enb enc ene enn ent enu etb etc ete etn ett etu etx eu- eub euc eue eun eut eux ex- exc exe ext exu exx nbb nbc nbe nbn nbt nbu nbx ncb ncc nce ncn nct ncu ncx ne- neb nec nee nen net neu nex nnb nnc nne nnn nnt nnu ntb ntc nte ntn ntt ntu ntx nub nuc nue nun nut nuu nux nxc nxt t-x tbb tbc tbe tbn tbt tbu tcb tcc tce tcn tct tcu tcx te- teb tec tee ten tet teu tex tnb tnc tne tnn tnt tnx ttb ttc tte ttn ttt ttu ttx tub tuc tue tun tut tuu tux txe txn txt txu ubb ubc ube ubn ubt ubu ubx ucb ucc uce ucn uct ucu ueb uec uee uen uet un- unb unc une unn unt unu unx utb utc ute utn utt utu utx uuc uue uun uut uuu uxb uxc uxt uxu xbc xbe xbx xcb xcx xee xen xet xeu xex xnc xnu xtc xtx xue xun xxx