-er -ey -up ddd dde ddi ddp ddr ddt ddu ddy de- ded dee dei dep der det deu dey di- did die dii dip dir dit diu diy dpd dpe dpi dpp dpr dpt dpu drd dre dri drp drr drt dru dry dtd dte dti dtp dtr dtt dtu dty dud due dui dup dur dut duy dy- dyd dye dyp dyr dyu dyy ed- edd ede edi edp edr edt edu edy eed eee eep eer eet eey eid eie eii eip eir eit eiu ep- epd epe epi epp epr ept epu erd ere eri erp err ert eru ery etd ete eti etp etr ett etu ety eu- eud eue eui eup eur eut eyd eye eyp eyr eyt i-d idd ide idi idp idr idt idu idy ie- ied iee iei iep ier iet iey iid iie iii iip iir iit iiu ipd ipe ipi ipp ipr ipt ipu ipy ir- ird ire iri irp irr irt iru iry itd ite iti itp itt itu ity iu- iud iue iui iup iur iut iye iyr iyt iyy p-p pdd pde pdi pdp pdr pdt pdu ped pee pei pep per pet peu pey pid pie pii pip pir pit piu ppd ppe ppi ppp ppr ppt ppu prd pre pri prp prr prt pru pry pt- ptd pte pti ptp ptr ptt ptu pty pud pue pui pup pur put puu puy py- pyd pye pyr pyt pyu rdd rde rdi rdp rdr rdt rdu rdy re- red ree rei rep rer ret reu rey rid rie rii rip rir rit riy rpd rpe rpi rpp rpr rpt rpu rrd rri rrp rrr rrt rru rtd rte rti rtp rtr rtt rtu rty rud rue rui rup rur rut ruu ruy ry- ryd rye ryr ryu ryy tdd tde tdi tdp tdr tdt tdu tdy te- ted tee tei tep ter tet teu tey tid tie tii tip tir tit tiu tiy tpd tpe tpi tpp tpr tpt tpu trd tre tri trp trr trt tru try ttd tte tti ttp ttr ttt ttu tty tud tue tui tup tur tut tuu tuy tyd tye typ tyr tyt udd ude udi udp udr udt udu ued uee uei uep uer uet uey uid uie uii uip uir uit uiu up- upd upe upi upp upr upt upu ur- urd ure uri urp urr urt uru ury utd ute uti utp utr utt utu uty uue uur uut uuu uyi uyu yde ydt ydy yed yee yei yep yer yet yey yid yie yii yip yir yit ypd ypu yre yrp yrt yru ytd yte ytp ytr ytt ytu yud yue yui yup yur yut yuu yuy yye yyt yyu yyy