b-u bbb bbc bbd bbe bbg bbt bbu bcb bcc bcd bce bcg bct bcu bdb bdc bdd bde bdg bdt bdu be- beb bec bed bee beg bet beu bgb bgc bgd bge bgg bgt bgu btb btc btd bte btg btt btu bub buc bud bue bug but buu c-- cbb cbc cbd cbe cbg cbt cbu ccb ccc ccd cce ccg cct ccu cdb cdc cdd cde cdg cdt cdu ce- ceb cec ced cee ceg cet ceu cgb cgc cgd cge cgg cgt cgu ctb ctc ctd cte ctg ctt ctu cub cuc cud cue cug cut cuu dbb dbc dbd dbe dbg dbt dbu dcb dcc dcd dce dcg dct dcu ddb ddc ddd dde ddg ddt ddu de- deb dec ded dee deg det deu dgc dgd dge dgg dgt dgu dtb dtc dtd dte dtg dtt dtu dub duc dud due dug dut ebb ebc ebd ebe ebg ebt ebu ec- ecb ecc ecd ece ecg ect ecu ed- edb edc edd ede edg edt edu eeb eec eed eee eeg eet egb egc egd ege egg egt egu etb etc etd ete etg ett etu eu- eub euc eud eue eug eut g-d gbc gbd gbe gbg gbt gbu gcb gcc gcd gce gcg gct gcu gdb gdc gdd gde gdt gdu ge- geb gec ged gee geg get geu ggb ggc ggd ggg ggt ggu gtb gtc gtd gte gtg gtt gtu gu- gub guc gud gue gug gut guu tbb tbc tbd tbe tbg tbt tbu tcb tcc tcd tce tcg tct tcu tdb tdc tdd tde tdg tdt tdu te- teb tec ted tee teg tet teu tgb tgc tge tgg tgt tgu ttb ttc ttd tte ttg ttt ttu tub tuc tud tue tug tut tuu ubb ubc ube ubg ubt ubu ucb ucc ucd uce ucg uct ucu udb udc udd ude udg udt udu ueb uec ued uee ueg uet ugb ugc uge ugg ugt ugu utb utc utd ute utt utu uuc uue uug uut uuu