-ey b-u bbb bbe bbg bbo bbs bbu bby be- beb bee beg beo bes beu bey bgb bge bgg bgo bgs bgu bob boe bog boo bos bou boy bsb bse bsg bso bss bsu bsy bub bue bug buo bus buu buy by- bye byg byo bys byu ebb ebe ebg ebo ebs ebu eby eeb eee eeg eeo ees eey egb ege egg ego egs egu egy eo- eob eoe eog eoo eos eou es- esb ese esg eso ess esu esy eu- eub eue eug eus eye eyo eys gbe gbg gbo gbs gbu gby ge- geb gee geg geo ges geu gey ggb ggg ggo ggs ggu gob goe gog goo gos gou goy gsb gse gsg gso gss gsu gu- gub gue gug guo gus guu guy gy- gyb gye gyo gys ob- obb obe obg obo obs obu oby oeb oee oeg oeo oes oey oge ogg ogo ogs ogy oo- oob oog ooo oos os- osb ose osg oso oss osu ou- oue ouo ous oye oyo oys sbb sbe sbg sbo sbs sbu sby se- seb see seg seo ses seu sey sgb sge sgg sgo sgs sgu sob soe sog soo sos sou soy ss- ssb sse ssg sso sss ssu sub sue sug suo sus suu suy sy- syb sye syg sys syu ubb ube ubg ubo ubs ubu uby ueb uee ueg ues uey ugb uge ugg ugo ugs ugu uob uoe uog uoo uos usb use usg uso uss usu uue uug uus uuu uyo uys uyu ybe ybg ybs yby yeb yee yeg yeo yes yey ygo yob yoe yog yoo yos you yoy ysb yse ysg yso yss ysu ysy yue yug yuo yus yuu yuy yyb yye yyg yys yyu yyy