-er -ey ddd dde ddo ddp ddr ddt ddy de- ded dee deo dep der det dey dod doe doo dop dor dot doy dpd dpe dpo dpp dpr dpt drd dre dro drp drr drt dry dtd dte dto dtp dtr dtt dty dy- dyd dye dyo dyp dyr dyy ed- edd ede edo edp edr edt edy eed eee eeo eep eer eet eey eo- eod eoe eoo eop eor eot ep- epd epe epo epp epr ept erd ere ero erp err ert ery etd ete eto etp etr ett ety eyd eye eyo eyp eyr eyt odd ode odo odp odr odt oed oee oeo oep oer oet oey oo- ood ooo oop oor oot op- opd ope opo opp opr opt opy or- ord ore oro orp orr ort ory ot- otd ote oto otp otr ott oyd oye oyo p-p pdd pde pdo pdp pdr pdt ped pee peo pep per pet pey pod poe poo pop por pot poy ppd ppe ppo ppp ppr ppt prd pre pro prp prr prt pry pt- ptd pte pto ptp ptr ptt pty py- pyd pye pyo pyr pyt rdd rde rdo rdp rdr rdt rdy re- red ree reo rep rer ret rey rod roe roo rop ror rot roy rpd rpe rpo rpp rpr rpt rrd rrp rrr rrt rtd rte rto rtp rtr rtt rty ry- ryd rye ryo ryr ryy tdd tde tdo tdp tdr tdt tdy te- ted tee teo tep ter tet tey to- tod toe too top tor tot toy tpd tpe tpo tpp tpr tpt trd tre tro trp trr trt try ttd tte tto ttp ttr ttt tty tyd tye tyo typ tyr tyt yde ydo ydt ydy yed yee yeo yep yer yet yey yod yoe yoo yop yor yot yoy ypd ypo yre yro yrp yrt ytd yte yto ytp ytr ytt yye yyt yyy