b-u bbb bbe bbg bbo bbt bbu be- beb bee beg beo bet beu bgb bge bgg bgo bgt bgu bob boe bog boo bot bou btb bte btg bto btt btu bub bue bug buo but buu ebb ebe ebg ebo ebt ebu eeb eee eeg eeo eet egb ege egg ego egt egu eo- eob eoe eog eoo eot eou etb ete etg eto ett etu eu- eub eue eug eut gbe gbg gbo gbt gbu ge- geb gee geg geo get geu ggb ggg ggo ggt ggu gob goe gog goo got gou gtb gte gtg gto gtt gtu gu- gub gue gug guo gut guu ob- obb obe obg obo obt obu oeb oee oeg oeo oet oge ogg ogo ogt oo- oob oog ooo oot ot- otb ote otg oto ott otu ou- oue ouo out tbb tbe tbg tbo tbt tbu te- teb tee teg teo tet teu tgb tge tgg tgo tgt tgu to- tob toe tog too tot tou ttb tte ttg tto ttt ttu tub tue tug tuo tut tuu ubb ube ubg ubo ubt ubu ueb uee ueg uet ugb uge ugg ugo ugt ugu uob uoe uog uoo uot utb ute uto utt utu uue uug uut uuu