b-u bbb bbc bbg bbh bbu bcb bcc bcg bch bcu bgb bgc bgg bgh bgu bhb bhc bhg bhh bhu bub buc bug buh buu c-- cbb cbc cbg cbh cbu ccb ccc ccg cch ccu cgb cgc cgg cgh cgu ch- chb chc chg chh chu cub cuc cug cuh cuu gbc gbg gbh gbu gcb gcc gcg gch gcu ggb ggc ggg ggh ggu ghb ghc ghg ghh gu- gub guc gug guu hbb hbc hbg hbh hbu hcb hcc hcg hch hgb hgc hgg hgh hgu hhb hhc hhg hhh hhu hub huc hug huh huu ubb ubc ubg ubh ubu ucb ucc ucg uch ucu ugb ugc ugg ugh ugu uhb uhc uhh uhu uuc uug uuu