b-p bbb bbe bbl bbp bbt be- beb bee bel bep bet blb ble bll blp blt bpb bpe bpl bpp bpt btb bte btl btp btt ebb ebe ebl ebp ebt eeb eee eel eep eet elb ele ell elp elt ep- epb epe epl epp ept etb ete etl etp ett l-p lbb lbe lbl lbp lbt leb lee lel lep let llb lle lll llp llt lpb lpe lpl lpp lpt ltb lte ltl ltp ltt p-p pbb pbe pbl pbp pbt peb pee pel pep pet plb ple pll plp plt ppb ppe ppl ppp ppt pt- ptb pte ptl ptp ptt tbb tbe tbl tbp tbt te- teb tee tel tep tet tle tll tlp tlt tpb tpe tpl tpp tpt ttb tte ttl ttp ttt