-er -ey ddd dde ddi ddp ddr ddt ddy de- ded dee dei dep der det dey di- did die dii dip dir dit diy dpd dpe dpi dpp dpr dpt drd dre dri drp drr drt dry dtd dte dti dtp dtr dtt dty dy- dyd dye dyp dyr dyy ed- edd ede edi edp edr edt edy eed eee eep eer eet eey eid eie eii eip eir eit ep- epd epe epi epp epr ept erd ere eri erp err ert ery etd ete eti etp etr ett ety eyd eye eyp eyr eyt i-d idd ide idi idp idr idt idy ie- ied iee iei iep ier iet iey iid iie iii iip iir iit ipd ipe ipi ipp ipr ipt ipy ir- ird ire iri irp irr irt iry itd ite iti itp itt ity iye iyr iyt iyy p-p pdd pde pdi pdp pdr pdt ped pee pei pep per pet pey pid pie pii pip pir pit ppd ppe ppi ppp ppr ppt prd pre pri prp prr prt pry pt- ptd pte pti ptp ptr ptt pty py- pyd pye pyr pyt rdd rde rdi rdp rdr rdt rdy re- red ree rei rep rer ret rey rid rie rii rip rir rit riy rpd rpe rpi rpp rpr rpt rrd rri rrp rrr rrt rtd rte rti rtp rtr rtt rty ry- ryd rye ryr ryy tdd tde tdi tdp tdr tdt tdy te- ted tee tei tep ter tet tey tid tie tii tip tir tit tiy tpd tpe tpi tpp tpr tpt trd tre tri trp trr trt try ttd tte tti ttp ttr ttt tty tyd tye typ tyr tyt yde ydt ydy yed yee yei yep yer yet yey yid yie yii yip yir yit ypd yre yrp yrt ytd yte ytp ytr ytt yye yyt yyy