-er -up ddd dde ddh ddp ddr ddu de- ded dee deh dep der deu dh- dhd dhe dhh dhp dhr dhu dpd dpe dph dpp dpr dpu drd dre drp drr dru dud due duh dup dur ed- edd ede edh edp edr edu eed eee eep eer ehd ehe ehh ehp ehr ehu ep- epd epe eph epp epr epu erd ere erh erp err eru eu- eud eue eup eur hdd hde hdh hdp hdr hdu he- hed hee heh hep her heu hhd hhe hhh hhp hhr hhu hpd hpe hph hpp hpr hpu hr- hrd hre hrh hrp hrr hru hud hue huh hup hur huu p-p pdd pde pdh pdp pdr pdu ped pee peh pep per peu phd phe php phr phu ppd ppe pph ppp ppr ppu prd pre prh prp prr pru pud pue puh pup pur puu rdd rde rdh rdp rdr rdu re- red ree reh rep rer reu rh- rhd rhe rhh rhp rhr rhu rpd rpe rph rpp rpr rpu rrd rrh rrp rrr rru rud rue ruh rup rur ruu udd ude udp udr udu ued uee ueh uep uer uhd uhe uhh uhp uhr uhu up- upd upe uph upp upr upu ur- urd ure urp urr uru uue uur uuu