bbb bbd bbe bbg bbs bdb bdd bde bdg bds be- beb bed bee beg bes bgb bgd bge bgg bgs bsb bsd bse bsg bss dbb dbd dbe dbg dbs ddb ddd dde ddg dds de- deb ded dee deg des dgd dge dgg dgs dsb dsd dse dsg dss ebb ebd ebe ebg ebs ed- edb edd ede edg eds eeb eed eee eeg ees egb egd ege egg egs es- esb esd ese esg ess g-d gbd gbe gbg gbs gdb gdd gde gds ge- geb ged gee geg ges ggb ggd ggg ggs gsb gsd gse gsg gss sbb sbd sbe sbg sbs sdb sdd sde sdg sds se- seb sed see seg ses sgb sgd sge sgg sgs ss- ssb ssd sse ssg sss