-up b-p b-u bbb bbe bbl bbp bbt bbu be- beb bee bel bep bet beu blb ble bll blp blt blu bpb bpe bpl bpp bpt bpu btb bte btl btp btt btu bub bue bul bup but buu ebb ebe ebl ebp ebt ebu eeb eee eel eep eet elb ele ell elp elt elu ep- epb epe epl epp ept epu etb ete etl etp ett etu eu- eub eue eul eup eut l-p lbb lbe lbl lbp lbt lbu leb lee lel lep let leu llb lle lll llp llt llu lpb lpe lpl lpp lpt lpu ltb lte ltl ltp ltt ltu lub lue lul lup lut luu p-p pbb pbe pbl pbp pbt pbu peb pee pel pep pet peu plb ple pll plp plt plu ppb ppe ppl ppp ppt ppu pt- ptb pte ptl ptp ptt ptu pub pue pul pup put puu tbb tbe tbl tbp tbt tbu te- teb tee tel tep tet teu tle tll tlp tlt tlu tpb tpe tpl tpp tpt tpu ttb tte ttl ttp ttt ttu tub tue tul tup tut tuu ubb ube ubl ubp ubt ubu ueb uee uel uep uet ulb ule ull ulp ult ulu up- upb upe upp upt upu utb ute utl utp utt utu uue uut uuu