b-u bbb bbe bbg bbl bbt bbu be- beb bee beg bel bet beu bez bgb bge bgg bgl bgt bgu bgz blb ble blg bll blt blu blz btb bte btg btl btt btu btz bub bue bug bul but buu buz bze bzu bzz ebb ebe ebg ebl ebt ebu eeb eee eeg eel eet egb ege egg egl egt egu elb ele elg ell elt elu elz etb ete etg etl ett etu etz eu- eub eue eug eul eut eze ezz gbe gbg gbl gbt gbu gbz ge- geb gee geg gel get geu gez ggb ggg ggt ggu ggz glb gle glg gll glt glu glz gtb gte gtg gtl gtt gtu gu- gub gue gug gul gut guu guz gzu lbb lbe lbg lbl lbt lbu leb lee leg lel let leu lez lgb lge lgg lgl lgt lgu llb lle llg lll llt llu llz ltb lte ltg ltl ltt ltu ltz lub lue lug lul lut luu luz lzu tbb tbe tbg tbl tbt tbu tbz te- teb tee teg tel tet teu tez tgb tge tgg tgl tgt tgu tgz tle tlg tll tlt tlu tlz ttb tte ttg ttl ttt ttu tub tue tug tul tut tuu tuz tze tzu ubb ube ubg ubl ubt ubu ueb uee ueg uel uet ugb uge ugg ugl ugt ugu ulb ule ulg ull ult ulu utb ute utl utt utu utz uue uug uut uuu uzb uzu z-g zbb zbl zbt zeb zee zel zet zez zgb zgg zlt zte ztl zub zug zul zut zuz zzt zzz