-ey bbb bbe bbg bbn bbo bbs bbt bby be- beb bee beg ben beo bes bet bey bgb bge bgg bgn bgo bgs bgt bnb bne bng bnn bno bns bnt bob boe bog bon boo bos bot boy bsb bse bsg bsn bso bss bst bsy btb bte btg btn bto bts btt bty by- bye byg byn byo bys byt ebb ebe ebg ebn ebo ebs ebt eby eeb eee eeg een eeo ees eet eey egb ege egg egn ego egs egt egy en- enb ene eng enn eno ens ent eny eo- eob eoe eog eon eoo eos eot es- esb ese esg esn eso ess est esy etb ete etg etn eto ets ett ety eye eyn eyo eys eyt gbe gbg gbn gbo gbs gbt gby ge- geb gee geg gen geo ges get gey ggb ggg ggn ggo ggs ggt gnb gne gnn gno gns gnt gob goe gog gon goo gos got goy gsb gse gsg gsn gso gss gst gtb gte gtg gtn gto gts gtt gty gy- gyb gye gyn gyo gys nbb nbe nbg nbn nbo nbs nbt ne- neb nee neg nen neo nes net ney ngb nge ngg ngn ngo ngs ngt nnb nne nng nnn nno nns nnt no- nob noe nog non noo nos not noy nsb nse nsg nsn nso nss nst nsy ntb nte ntg ntn nto nts ntt nye nyg nyn nyo nys nyt nyy ob- obb obe obg obn obo obs obt oby oeb oee oeg oen oeo oes oet oey oge ogg ogn ogo ogs ogt ogy on- onb one ong onn ono ons ont ony oo- oob oog oon ooo oos oot os- osb ose osg osn oso oss ost ot- otb ote otg otn oto ots ott oye oyo oys sbb sbe sbg sbn sbo sbs sbt sby se- seb see seg sen seo ses set sey sgb sge sgg sgn sgo sgs sgt snb sne sng snn sno sns snt sny sob soe sog son soo sos sot soy ss- ssb sse ssg ssn sso sss sst stb ste stg stn sto sts stt sty sy- syb sye syg syn sys syt tbb tbe tbg tbn tbo tbs tbt te- teb tee teg ten teo tes tet tey tgb tge tgg tgn tgo tgs tgt tgy tnb tne tng tnn tno tns tnt to- tob toe tog ton too tos tot toy tsb tse tsg tsn tso tss tst tsy ttb tte ttg ttn tto tts ttt tty tye tyg tyn tyo tys tyt ybe ybg ybs yby yeb yee yeg yen yeo yes yet yey ygo yne yng ynn yns yny yob yoe yog yon yoo yos yot yoy ysb yse ysg yso yss yst ysy yte ytn yto yts ytt yyb yye yyg yys yyt yyy