-er -ey bbb bbd bbe bbn bbo bbr bbs bby bdb bdd bde bdo bdr bds bdy be- beb bed bee ben beo ber bes bey bnb bnd bne bnn bno bnr bns bob bod boe bon boo bor bos boy brb brd bre brn bro brr brs bry bsb bsd bse bsn bso bsr bss bsy by- byd bye byn byo byr bys dbb dbd dbe dbn dbo dbr dbs dby ddb ddd dde ddn ddo ddr dds ddy de- deb ded dee den deo der des dey dnb dnd dne dnn dno dnr dns dny dob dod doe don doo dor dos doy drb drd dre drn dro drr drs dry dsb dsd dse dsn dso dsr dss dsy dy- dyb dyd dye dyn dyo dyr dys dyy ebb ebd ebe ebn ebo ebr ebs eby ed- edb edd ede edn edo edr eds edy eeb eed eee een eeo eer ees eey en- enb end ene enn eno enr ens eny eo- eob eod eoe eon eoo eor eos erb erd ere ern ero err ers ery es- esb esd ese esn eso esr ess esy eyd eye eyn eyo eyr eys nbb nbd nbe nbn nbo nbr nbs ndb ndd nde ndn ndo ndr nds ndy ne- neb ned nee nen neo ner nes ney nnb nne nnn nno nns no- nob nod noe non noo nor nos noy nrb nrd nre nrn nro nrr nrs nry nsb nsd nse nsn nso nsr nss nsy nyd nye nyn nyo nys nyy ob- obb obd obe obn obo obr obs oby odb odd ode odn odo odr ods oeb oed oee oen oeo oer oes oey on- onb ond one onn ono onr ons ony oo- oob ood oon ooo oor oos or- orb ord ore orn oro orr ors ory os- osb osd ose osn oso osr oss oyd oye oyo oys rbb rbd rbe rbn rbo rbr rbs rdb rdd rde rdn rdo rdr rds rdy re- reb red ree ren reo rer res rey rnb rnd rnn rno rnr rns rny rob rod roe ron roo ror ros roy rrb rrd rrn rrr rrs rsb rsd rse rsn rso rsr rss ry- ryd rye ryn ryo ryr rys ryy sbb sbd sbe sbn sbo sbr sbs sby sdb sdd sde sdn sdo sdr sds sdy se- seb sed see sen seo ser ses sey snb snd sne snn sno snr sns sny sob sod soe son soo sor sos soy sr- srb srd sre srn sro srr srs sry ss- ssb ssd sse ssn sso ssr sss sy- syb syd sye syn syr sys ybe ybr ybs yby yde ydn ydo yds ydy yeb yed yee yen yeo yer yes yey ynd yne ynn yns yny yob yod yoe yon yoo yor yos yoy yre yrn yro yrs ysb yse yso ysr yss ysy yyb yye yys yyy