-er -up ddd dde ddk ddm ddp ddr ddu de- ded dee dek dem dep der deu dke dkk dkm dkp dkr dku dmd dme dmk dmm dmp dmr dmu dpd dpe dpk dpm dpp dpr dpu drd dre drk drm drp drr dru dud due duk dum dup dur ed- edd ede edk edm edp edr edu eed eee eek eem eep eer ekd eke ekp ekr eku em- emd eme emk emm emp emr emu ep- epd epe epm epp epr epu erd ere erk erm erp err eru eu- eud eue eup eur kde kdk kdm kdp kdr kdu ke- ked kee kek kem kep ker kke kkk kkm kkp kkr kku kmd kme kmk kmm kmp kmu kpd kpe kpk kpm kpp kpr kpu krd krk krp krr kru kud kue kuk kum kup kur kuu m-r mdd mde mdk mdm mdp mdr mdu med mee mek mem mep mer meu mkd mke mkk mkm mkp mkr mku mmd mme mmk mmm mmp mmr mmu mpd mpe mpk mpm mpp mpr mpu mrd mre mrk mrm mrp mrr mru mud mue muk mum mup mur muu p-p pdd pde pdk pdm pdp pdr pdu ped pee pek pem pep per peu pkd pke pkm pkp pkr pku pmd pme pmk pmm pmp pmr pmu ppd ppe ppk ppm ppp ppr ppu prd pre prk prm prp prr pru pud pue puk pum pup pur puu rdd rde rdm rdp rdr rdu re- red ree rek rem rep rer reu rke rkk rkm rkp rku rmd rme rmm rmp rmr rpd rpe rpk rpm rpp rpr rpu rrd rrk rrm rrp rrr rru rud rue ruk rum rup rur ruu udd ude udk udm udp udr udu ued uee uem uep uer uke ukk ukp ukr uku um- umd ume umm ump umr umu up- upd upe upk upm upp upr upu ur- urd ure urk urm urp urr uru uue uum uur uuu