-er -ey ddd dde ddi ddo ddp ddr dds ddy de- ded dee dei deo dep der des dey di- did die dii dio dip dir dis diy dod doe doi doo dop dor dos doy dpd dpe dpi dpo dpp dpr dps drd dre dri dro drp drr drs dry dsd dse dsi dso dsp dsr dss dsy dy- dyd dye dyo dyp dyr dys dyy ed- edd ede edi edo edp edr eds edy eed eee eeo eep eer ees eey eid eie eii eio eip eir eis eo- eod eoe eoi eoo eop eor eos ep- epd epe epi epo epp epr eps erd ere eri ero erp err ers ery es- esd ese esi eso esp esr ess esy eyd eye eyo eyp eyr eys i-d idd ide idi ido idp idr ids idy ie- ied iee iei iep ier ies iey iid iie iii iio iip iir iis io- iod ioe ioi ioo iop ior ios ipd ipe ipi ipo ipp ipr ips ipy ir- ird ire iri iro irp irr irs iry is- isd ise isi iso isp isr iss isy iye iyo iyr iys iyy o-i odd ode odi odo odp odr ods oed oee oei oeo oep oer oes oey oid oie oii oio oip oir ois oo- ood ooi ooo oop oor oos op- opd ope opi opo opp opr ops opy or- ord ore ori oro orp orr ors ory os- osd ose osi oso osp osr oss oyd oye oyi oyo oys p-p pdd pde pdi pdo pdp pdr pds ped pee pei peo pep per pes pey pid pie pii pio pip pir pis pod poe poi poo pop por pos poy ppd ppe ppi ppo ppp ppr pps prd pre pri pro prp prr prs pry ps- psd pse psi pso psp psr pss psy py- pyd pye pyo pyr pys rdd rde rdi rdo rdp rdr rds rdy re- red ree rei reo rep rer res rey rid rie rii rio rip rir ris riy rod roe roi roo rop ror ros roy rpd rpe rpi rpo rpp rpr rps rrd rri rrp rrr rrs rsd rse rsi rso rsp rsr rss ry- ryd rye ryo ryr rys ryy sdd sde sdi sdo sdp sdr sds sdy se- sed see sei seo sep ser ses sey sid sie sii sio sip sir sis sod soe soi soo sop sor sos soy spd spe spi spo spp spr sps spy sr- srd sre sri sro srp srr srs sry ss- ssd sse ssi sso ssp ssr sss sy- syd sye syi syp syr sys yde ydo yds ydy yed yee yei yeo yep yer yes yey yid yie yii yio yip yir yis yod yoe yoi yoo yop yor yos yoy ypd ypo yps yre yro yrp yrs yse ysi yso ysp ysr yss ysy yye yys yyy