-er -ey bbb bbd bbe bbh bbo bbr bbs bby bdb bdd bde bdh bdo bdr bds bdy be- beb bed bee beh beo ber bes bey bhb bhd bhe bhh bho bhr bhs bob bod boe boh boo bor bos boy brb brd bre brh bro brr brs bry bsb bsd bse bsh bso bsr bss bsy by- byd bye byh byo byr bys dbb dbd dbe dbh dbo dbr dbs dby ddb ddd dde ddh ddo ddr dds ddy de- deb ded dee deh deo der des dey dh- dhb dhd dhe dhh dho dhr dhs dob dod doe doh doo dor dos doy drb drd dre dro drr drs dry dsb dsd dse dsh dso dsr dss dsy dy- dyb dyd dye dyo dyr dys dyy ebb ebd ebe ebh ebo ebr ebs eby ed- edb edd ede edh edo edr eds edy eeb eed eee eeo eer ees eey ehb ehd ehe ehh eho ehr ehs eo- eob eod eoe eoh eoo eor eos erb erd ere erh ero err ers ery es- esb esd ese esh eso esr ess esy eyd eye eyo eyr eys hbb hbd hbe hbh hbo hbr hbs hby hdb hdd hde hdh hdo hdr hds hdy he- heb hed hee heh heo her hes hey hhb hhd hhe hhh hho hhr hhs hhy hob hod hoe hoh hoo hor hos hoy hr- hrb hrd hre hrh hro hrr hrs hsb hsd hse hsh hsr hss hsy hy- hyb hyd hye hyh hyo hyr hys hyy ob- obb obd obe obh obo obr obs oby odb odd ode odh odo odr ods oeb oed oee oeh oeo oer oes oey ohd ohe ohh oho ohr ohs oo- oob ood ooh ooo oor oos or- orb ord ore orh oro orr ors ory os- osb osd ose osh oso osr oss oyd oye oyo oys rbb rbd rbe rbh rbo rbr rbs rdb rdd rde rdh rdo rdr rds rdy re- reb red ree reh reo rer res rey rh- rhb rhd rhe rhh rho rhr rhs rob rod roe roh roo ror ros roy rrb rrd rrh rrr rrs rsb rsd rse rsh rso rsr rss ry- ryd rye ryo ryr rys ryy sbb sbd sbe sbh sbo sbr sbs sby sdb sdd sde sdh sdo sdr sds sdy se- seb sed see seh seo ser ses sey sh- shb shd she shh sho shr shs shy sob sod soe soh soo sor sos soy sr- srb srd sre srh sro srr srs sry ss- ssb ssd sse ssh sso ssr sss sy- syb syd sye syh syr sys ybe ybr ybs yby yde ydo yds ydy yeb yed yee yeh yeo yer yes yey yhe yhs yob yod yoe yoo yor yos yoy yre yro yrs ysb yse yso ysr yss ysy yyb yye yys yyy