-er -ey ddd dde ddh ddo ddp ddr ddy de- ded dee deh deo dep der dey dh- dhd dhe dhh dho dhp dhr dod doe doh doo dop dor doy dpd dpe dph dpo dpp dpr drd dre dro drp drr dry dy- dyd dye dyo dyp dyr dyy ed- edd ede edh edo edp edr edy eed eee eeo eep eer eey ehd ehe ehh eho ehp ehr eo- eod eoe eoh eoo eop eor ep- epd epe eph epo epp epr erd ere erh ero erp err ery eyd eye eyo eyp eyr hdd hde hdh hdo hdp hdr hdy he- hed hee heh heo hep her hey hhd hhe hhh hho hhp hhr hhy hod hoe hoh hoo hop hor hoy hpd hpe hph hpo hpp hpr hpy hr- hrd hre hrh hro hrp hrr hy- hyd hye hyh hyo hyp hyr hyy odd ode odh odo odp odr oed oee oeh oeo oep oer oey ohd ohe ohh oho ohp ohr oo- ood ooh ooo oop oor op- opd ope oph opo opp opr opy or- ord ore orh oro orp orr ory oyd oye oyo p-p pdd pde pdh pdo pdp pdr ped pee peh peo pep per pey phd phe pho php phr phy pod poe poh poo pop por poy ppd ppe pph ppo ppp ppr prd pre prh pro prp prr pry py- pyd pye pyo pyr rdd rde rdh rdo rdp rdr rdy re- red ree reh reo rep rer rey rh- rhd rhe rhh rho rhp rhr rod roe roh roo rop ror roy rpd rpe rph rpo rpp rpr rrd rrh rrp rrr ry- ryd rye ryo ryr ryy yde ydo ydy yed yee yeh yeo yep yer yey yhe yod yoe yoo yop yor yoy ypd ypo yre yro yrp yye yyy