b-u bbb bbe bbg bbl bbt bbu bbx be- beb bee beg bel bet beu bex bgb bge bgg bgl bgt bgu bgx blb ble blg bll blt blu blx btb bte btg btl btt btu btx bub bue bug bul but buu bux bxb bxl bxx ebb ebe ebg ebl ebt ebu ebx eeb eee eeg eel eet eex egb ege egg egl egt egu egx elb ele elg ell elt elu elx etb ete etg etl ett etu etx eu- eub eue eug eul eut eux ex- exe exl ext exu exx gbe gbg gbl gbt gbu gbx ge- geb gee geg gel get geu gex ggb ggg ggt ggu glb gle glg gll glt glu glx gtb gte gtg gtl gtt gtu gtx gu- gub gue gug gul gut guu gxl gxt lbb lbe lbg lbl lbt lbu lbx leb lee leg lel let leu lex lgb lge lgg lgl lgt lgu llb lle llg lll llt llu ltb lte ltg ltl ltt ltu ltx lub lue lug lul lut luu lux lxx t-x tbb tbe tbg tbl tbt tbu te- teb tee teg tel tet teu tex tgb tge tgg tgl tgt tgu tle tlg tll tlt tlu tlx ttb tte ttg ttl ttt ttu ttx tub tue tug tul tut tuu tux txe txl txt txu ubb ube ubg ubl ubt ubu ubx ueb uee ueg uel uet ugb uge ugg ugl ugt ugu ugx ulb ule ulg ull ult ulu utb ute utl utt utu utx uue uug uut uuu uxb uxt uxu xbe xbl xbx xee xeg xel xet xeu xex xge xgl xlb xlg xlt xtx xue xul xxl xxx