-up b-p b-u bbb bbd bbe bbl bbp bbt bbu bdb bdd bde bdl bdp bdt bdu be- beb bed bee bel bep bet beu blb bld ble bll blp blt blu bpb bpd bpe bpl bpp bpt bpu btb btd bte btl btp btt btu bub bud bue bul bup but buu dbb dbd dbe dbl dbp dbt dbu ddb ddd dde ddl ddp ddt ddu de- deb ded dee del dep det deu dl- dlb dld dle dll dlp dlt dlu dpb dpd dpe dpl dpp dpt dpu dtb dtd dte dtl dtp dtt dtu dub dud due dul dup dut ebb ebd ebe ebl ebp ebt ebu ed- edb edd ede edl edp edt edu eeb eed eee eel eep eet elb eld ele ell elp elt elu ep- epb epd epe epl epp ept epu etb etd ete etl etp ett etu eu- eub eud eue eul eup eut l-p lbb lbd lbe lbl lbp lbt lbu ldb ldd lde ldl ldp ldt ldu leb led lee lel lep let leu llb lld lle lll llp llt llu lpb lpd lpe lpl lpp lpt lpu ltb ltd lte ltl ltp ltt ltu lub lud lue lul lup lut luu p-p pbb pbd pbe pbl pbp pbt pbu pdb pdd pde pdl pdp pdt pdu peb ped pee pel pep pet peu plb pld ple pll plp plt plu ppb ppd ppe ppl ppp ppt ppu pt- ptb ptd pte ptl ptp ptt ptu pub pud pue pul pup put puu tbb tbd tbe tbl tbp tbt tbu tdb tdd tde tdl tdp tdt tdu te- teb ted tee tel tep tet teu tld tle tll tlp tlt tlu tpb tpd tpe tpl tpp tpt tpu ttb ttd tte ttl ttp ttt ttu tub tud tue tul tup tut tuu ubb ube ubl ubp ubt ubu udb udd ude udl udp udt udu ueb ued uee uel uep uet ulb uld ule ull ulp ult ulu up- upb upd upe upp upt upu utb utd ute utl utp utt utu uue uut uuu