-ey bbb bbd bbe bbi bbo bbs bby bdb bdd bde bdi bdo bds bdy be- beb bed bee bei beo bes bey bi- bib bid bie bii bio bis biy bob bod boe boi boo bos boy bsb bsd bse bsi bso bss bsy by- byd bye byi byo bys dbb dbd dbe dbi dbo dbs dby ddb ddd dde ddi ddo dds ddy de- deb ded dee dei deo des dey di- dib did die dii dio dis diy dob dod doe doi doo dos doy dsb dsd dse dsi dso dss dsy dy- dyb dyd dye dyo dys dyy ebb ebd ebe ebi ebo ebs eby ed- edb edd ede edi edo eds edy eeb eed eee eeo ees eey eib eid eie eii eio eis eo- eob eod eoe eoi eoo eos es- esb esd ese esi eso ess esy eyd eye eyo eys i-d ibb ibd ibe ibi ibo ibs iby idb idd ide idi ido ids idy ie- ied iee iei ies iey iib iid iie iii iio iis io- iob iod ioe ioi ioo ios is- isb isd ise isi iso iss isy iye iyo iys iyy o-i ob- obb obd obe obi obo obs oby odb odd ode odi odo ods oeb oed oee oei oeo oes oey oib oid oie oii oio ois oo- oob ood ooi ooo oos os- osb osd ose osi oso oss oyd oye oyi oyo oys sbb sbd sbe sbi sbo sbs sby sdb sdd sde sdi sdo sds sdy se- seb sed see sei seo ses sey sib sid sie sii sio sis sob sod soe soi soo sos soy ss- ssb ssd sse ssi sso sss sy- syb syd sye syi sys ybe ybi ybs yby yde ydo yds ydy yeb yed yee yei yeo yes yey yid yie yii yio yis yob yod yoe yoi yoo yos yoy ysb yse ysi yso yss ysy yyb yye yys yyy