-ey bbb bbe bbg bbn bbs bby be- beb bee beg ben bes bey bgb bge bgg bgn bgs bnb bne bng bnn bns bsb bse bsg bsn bss bsy by- bye byg byn bys ebb ebe ebg ebn ebs eby eeb eee eeg een ees eey egb ege egg egn egs egy en- enb ene eng enn ens eny es- esb ese esg esn ess esy eye eyn eys gbe gbg gbn gbs gby ge- geb gee geg gen ges gey ggb ggg ggn ggs gnb gne gnn gns gsb gse gsg gsn gss gy- gyb gye gyn gys nbb nbe nbg nbn nbs ne- neb nee neg nen nes ney ngb nge ngg ngn ngs nnb nne nng nnn nns nsb nse nsg nsn nss nsy nye nyg nyn nys nyy sbb sbe sbg sbn sbs sby se- seb see seg sen ses sey sgb sge sgg sgn sgs snb sne sng snn sns sny ss- ssb sse ssg ssn sss sy- syb sye syg syn sys ybe ybg ybs yby yeb yee yeg yen yes yey yne yng ynn yns yny ysb yse ysg yss ysy yyb yye yyg yys yyy