b-u bbb bbc bbe bbh bbu bcb bcc bce bch bcu be- beb bec bee beh beu bhb bhc bhe bhh bhu bub buc bue buh buu c-- cbb cbc cbe cbh cbu ccb ccc cce cch ccu ce- ceb cec cee ceh ceu ch- chb chc che chh chu cub cuc cue cuh cuu ebb ebc ebe ebh ebu ec- ecb ecc ece ech ecu eeb eec eee ehb ehc ehe ehh ehu eu- eub euc eue hbb hbc hbe hbh hbu hcb hcc hce hch he- heb hec hee heh heu hhb hhc hhe hhh hhu hub huc hue huh huu ubb ubc ube ubh ubu ucb ucc uce uch ucu ueb uec uee ueh uhb uhc uhe uhh uhu uuc uue uuu