-ey bbb bbe bbg bbo bbs bbt bby be- beb bee beg beo bes bet bey bgb bge bgg bgo bgs bgt bob boe bog boo bos bot boy bsb bse bsg bso bss bst bsy btb bte btg bto bts btt bty by- bye byg byo bys byt ebb ebe ebg ebo ebs ebt eby eeb eee eeg eeo ees eet eey egb ege egg ego egs egt egy eo- eob eoe eog eoo eos eot es- esb ese esg eso ess est esy etb ete etg eto ets ett ety eye eyo eys eyt gbe gbg gbo gbs gbt gby ge- geb gee geg geo ges get gey ggb ggg ggo ggs ggt gob goe gog goo gos got goy gsb gse gsg gso gss gst gtb gte gtg gto gts gtt gty gy- gyb gye gyo gys ob- obb obe obg obo obs obt oby oeb oee oeg oeo oes oet oey oge ogg ogo ogs ogt ogy oo- oob oog ooo oos oot os- osb ose osg oso oss ost ot- otb ote otg oto ots ott oye oyo oys sbb sbe sbg sbo sbs sbt sby se- seb see seg seo ses set sey sgb sge sgg sgo sgs sgt sob soe sog soo sos sot soy ss- ssb sse ssg sso sss sst stb ste stg sto sts stt sty sy- syb sye syg sys syt tbb tbe tbg tbo tbs tbt te- teb tee teg teo tes tet tey tgb tge tgg tgo tgs tgt tgy to- tob toe tog too tos tot toy tsb tse tsg tso tss tst tsy ttb tte ttg tto tts ttt tty tye tyg tyo tys tyt ybe ybg ybs yby yeb yee yeg yeo yes yet yey ygo yob yoe yog yoo yos yot yoy ysb yse ysg yso yss yst ysy yte yto yts ytt yyb yye yyg yys yyt yyy