-ey bbb bbe bbo bbs bbw bby be- beb bee beo bes bew bey bez bob boe boo bos bow boy boz bsb bse bso bss bsw bsy bwb bwo bws bwy by- bye byo bys byz bze bzo bzs bzz ebb ebe ebo ebs ebw eby eeb eee eeo ees eew eey eo- eob eoe eoo eos eow es- esb ese eso ess esw esy ewb ewe ewo ews eww ewy eye eyo eys eze ezo ezs ezz ob- obb obe obo obs obw oby oeb oee oeo oes oey oo- oob ooo oos oow os- osb ose oso oss osw owb owe owo ows oww oye oyo oys oze ozo ozs ozw ozz sbb sbe sbo sbs sbw sby se- seb see seo ses sew sey sez sob soe soo sos sow soy soz ss- ssb sse sso sss ssw ssz swb swe swo sws swy sy- syb sye sys sze wbb wbe wbo wbs wbw wbz web wee weo wes wew wey wez wob woe woo wos wow woy woz wsb wse wso wss wsw wwe wwo www wy- wye wyo wys ybe ybs yby ybz yeb yee yeo yes yew yey yez yob yoe yoo yos yow yoy ysb yse yso yss ysy ysz yyb yye yys yyy yyz yzb yzy zbb zbs zbw zby zeb zee zeo zes zez zo- zob zoe zoo zos zow zse zsz zws zzs zzy zzz