-er -ey ddd dde ddi ddn ddp ddr dds ddy de- ded dee dei den dep der des dey di- did die dii din dip dir dis diy dnd dne dni dnn dnp dnr dns dny dpd dpe dpi dpn dpp dpr dps drd dre dri drn drp drr drs dry dsd dse dsi dsn dsp dsr dss dsy dy- dyd dye dyn dyp dyr dys dyy ed- edd ede edi edn edp edr eds edy eed eee een eep eer ees eey eid eie eii ein eip eir eis en- end ene eni enn enp enr ens eny ep- epd epe epi epn epp epr eps erd ere eri ern erp err ers ery es- esd ese esi esn esp esr ess esy eyd eye eyn eyp eyr eys i-d idd ide idi idn idp idr ids idy ie- ied iee iei ien iep ier ies iey iid iie iii iin iip iir iis in- ind ine ini inn inp inr ins iny ipd ipe ipi ipn ipp ipr ips ipy ir- ird ire iri irn irp irr irs iry is- isd ise isi isn isp isr iss isy iye iyr iys iyy n-i ndd nde ndi ndn ndp ndr nds ndy ne- ned nee nei nen nep ner nes ney nid nie nii nin nip nir nis nne nni nnn nnp nns npd npe npi npn npp npr nps nrd nre nri nrn nrp nrr nrs nry nsd nse nsi nsn nsp nsr nss nsy nyd nye nyn nyp nys nyy p-p pdd pde pdi pdn pdp pdr pds ped pee pei pen pep per pes pey pid pie pii pin pip pir pis pn- pnd pne pni pnn pnp pnr pns pny ppd ppe ppi ppn ppp ppr pps prd pre pri prn prp prr prs pry ps- psd pse psi psn psp psr pss psy py- pyd pye pyn pyr pys rdd rde rdi rdn rdp rdr rds rdy re- red ree rei ren rep rer res rey rid rie rii rin rip rir ris riy rnd rni rnn rnp rnr rns rny rpd rpe rpi rpn rpp rpr rps rrd rri rrn rrp rrr rrs rsd rse rsi rsn rsp rsr rss ry- ryd rye ryn ryr rys ryy sdd sde sdi sdn sdp sdr sds sdy se- sed see sei sen sep ser ses sey sid sie sii sin sip sir sis snd sne sni snn snp snr sns sny spd spe spi spn spp spr sps spy sr- srd sre sri srn srp srr srs sry ss- ssd sse ssi ssn ssp ssr sss sy- syd sye syi syn syp syr sys yde ydn yds ydy yed yee yei yen yep yer yes yey yid yie yii yin yip yir yis ynd yne ynn ynp yns yny ypd yps yre yrn yrp yrs yse ysi ysp ysr yss ysy yye yys yyy