-er -ey ddd dde ddh ddo ddr dds ddy de- ded dee deh deo der des dey dh- dhd dhe dhh dho dhr dhs dod doe doh doo dor dos doy drd dre dro drr drs dry dsd dse dsh dso dsr dss dsy dy- dyd dye dyo dyr dys dyy ed- edd ede edh edo edr eds edy eed eee eeo eer ees eey ehd ehe ehh eho ehr ehs eo- eod eoe eoh eoo eor eos erd ere erh ero err ers ery es- esd ese esh eso esr ess esy eyd eye eyo eyr eys hdd hde hdh hdo hdr hds hdy he- hed hee heh heo her hes hey hhd hhe hhh hho hhr hhs hhy hod hoe hoh hoo hor hos hoy hr- hrd hre hrh hro hrr hrs hsd hse hsh hsr hss hsy hy- hyd hye hyh hyo hyr hys hyy odd ode odh odo odr ods oed oee oeh oeo oer oes oey ohd ohe ohh oho ohr ohs oo- ood ooh ooo oor oos or- ord ore orh oro orr ors ory os- osd ose osh oso osr oss oyd oye oyo oys rdd rde rdh rdo rdr rds rdy re- red ree reh reo rer res rey rh- rhd rhe rhh rho rhr rhs rod roe roh roo ror ros roy rrd rrh rrr rrs rsd rse rsh rso rsr rss ry- ryd rye ryo ryr rys ryy sdd sde sdh sdo sdr sds sdy se- sed see seh seo ser ses sey sh- shd she shh sho shr shs shy sod soe soh soo sor sos soy sr- srd sre srh sro srr srs sry ss- ssd sse ssh sso ssr sss sy- syd sye syh syr sys yde ydo yds ydy yed yee yeh yeo yer yes yey yhe yhs yod yoe yoo yor yos yoy yre yro yrs yse yso ysr yss ysy yye yys yyy