-er -ey -up ddd dde ddp ddr dds ddt ddu ddy de- ded dee dep der des det deu dey dpd dpe dpp dpr dps dpt dpu drd dre drp drr drs drt dru dry dsd dse dsp dsr dss dst dsu dsy dtd dte dtp dtr dts dtt dtu dty dud due dup dur dus dut duy dy- dyd dye dyp dyr dys dyu dyy ed- edd ede edp edr eds edt edu edy eed eee eep eer ees eet eey ep- epd epe epp epr eps ept epu erd ere erp err ers ert eru ery es- esd ese esp esr ess est esu esy etd ete etp etr ets ett etu ety eu- eud eue eup eur eus eut eyd eye eyp eyr eys eyt p-p pdd pde pdp pdr pds pdt pdu ped pee pep per pes pet peu pey ppd ppe ppp ppr pps ppt ppu prd pre prp prr prs prt pru pry ps- psd pse psp psr pss pst psu psy pt- ptd pte ptp ptr pts ptt ptu pty pud pue pup pur pus put puu puy py- pyd pye pyr pys pyt pyu rdd rde rdp rdr rds rdt rdu rdy re- red ree rep rer res ret reu rey rpd rpe rpp rpr rps rpt rpu rrd rrp rrr rrs rrt rru rsd rse rsp rsr rss rst rsu rtd rte rtp rtr rts rtt rtu rty rud rue rup rur rus rut ruu ruy ry- ryd rye ryr rys ryu ryy sdd sde sdp sdr sds sdt sdu sdy se- sed see sep ser ses set seu sey spd spe spp spr sps spt spu spy sr- srd sre srp srr srs srt sry ss- ssd sse ssp ssr sss sst ssu std ste stp str sts stt stu sty sud sue sup sur sus sut suu suy sy- syd sye syp syr sys syt syu tdd tde tdp tdr tds tdt tdu tdy te- ted tee tep ter tes tet teu tey tpd tpe tpp tpr tps tpt tpu trd tre trp trr trs trt tru try tsd tse tsp tsr tss tst tsu tsy ttd tte ttp ttr tts ttt ttu tty tud tue tup tur tus tut tuu tuy tyd tye typ tyr tys tyt udd ude udp udr uds udt udu ued uee uep uer ues uet uey up- upd upe upp upr ups upt upu ur- urd ure urp urr urs urt uru ury usd use usp usr uss ust usu utd ute utp utr uts utt utu uty uue uur uus uut uuu uys uyu yde yds ydt ydy yed yee yep yer yes yet yey ypd yps ypu yre yrp yrs yrt yru yse ysp ysr yss yst ysu ysy ytd yte ytp ytr yts ytt ytu yud yue yup yur yus yut yuu yuy yye yys yyt yyu yyy