-er -ey -up ddd dde ddp ddr dds ddu ddy de- ded dee dep der des deu dey dpd dpe dpp dpr dps dpu drd dre drp drr drs dru dry dsd dse dsp dsr dss dsu dsy dud due dup dur dus duy dy- dyd dye dyp dyr dys dyu dyy ed- edd ede edp edr eds edu edy eed eee eep eer ees eey ep- epd epe epp epr eps epu erd ere erp err ers eru ery es- esd ese esp esr ess esu esy eu- eud eue eup eur eus eyd eye eyp eyr eys p-p pdd pde pdp pdr pds pdu ped pee pep per pes peu pey ppd ppe ppp ppr pps ppu prd pre prp prr prs pru pry ps- psd pse psp psr pss psu psy pud pue pup pur pus puu puy py- pyd pye pyr pys pyu rdd rde rdp rdr rds rdu rdy re- red ree rep rer res reu rey rpd rpe rpp rpr rps rpu rrd rrp rrr rrs rru rsd rse rsp rsr rss rsu rud rue rup rur rus ruu ruy ry- ryd rye ryr rys ryu ryy sdd sde sdp sdr sds sdu sdy se- sed see sep ser ses seu sey spd spe spp spr sps spu spy sr- srd sre srp srr srs sry ss- ssd sse ssp ssr sss ssu sud sue sup sur sus suu suy sy- syd sye syp syr sys syu udd ude udp udr uds udu ued uee uep uer ues uey up- upd upe upp upr ups upu ur- urd ure urp urr urs uru ury usd use usp usr uss usu uue uur uus uuu uys uyu yde yds ydy yed yee yep yer yes yey ypd yps ypu yre yrp yrs yru yse ysp ysr yss ysu ysy yud yue yup yur yus yuu yuy yye yys yyu yyy