-er -ey ddd dde ddo ddp ddr dds ddy de- ded dee deo dep der des dey dod doe doo dop dor dos doy dpd dpe dpo dpp dpr dps drd dre dro drp drr drs dry dsd dse dso dsp dsr dss dsy dy- dyd dye dyo dyp dyr dys dyy ed- edd ede edo edp edr eds edy eed eee eeo eep eer ees eey eo- eod eoe eoo eop eor eos ep- epd epe epo epp epr eps erd ere ero erp err ers ery es- esd ese eso esp esr ess esy eyd eye eyo eyp eyr eys odd ode odo odp odr ods oed oee oeo oep oer oes oey oo- ood ooo oop oor oos op- opd ope opo opp opr ops opy or- ord ore oro orp orr ors ory os- osd ose oso osp osr oss oyd oye oyo oys p-p pdd pde pdo pdp pdr pds ped pee peo pep per pes pey pod poe poo pop por pos poy ppd ppe ppo ppp ppr pps prd pre pro prp prr prs pry ps- psd pse pso psp psr pss psy py- pyd pye pyo pyr pys rdd rde rdo rdp rdr rds rdy re- red ree reo rep rer res rey rod roe roo rop ror ros roy rpd rpe rpo rpp rpr rps rrd rrp rrr rrs rsd rse rso rsp rsr rss ry- ryd rye ryo ryr rys ryy sdd sde sdo sdp sdr sds sdy se- sed see seo sep ser ses sey sod soe soo sop sor sos soy spd spe spo spp spr sps spy sr- srd sre sro srp srr srs sry ss- ssd sse sso ssp ssr sss sy- syd sye syp syr sys yde ydo yds ydy yed yee yeo yep yer yes yey yod yoe yoo yop yor yos yoy ypd ypo yps yre yro yrp yrs yse yso ysp ysr yss ysy yye yys yyy