-er -up ddd dde ddi ddm ddp ddr ddu de- ded dee dei dem dep der deu di- did die dii dim dip dir diu dmd dme dmi dmm dmp dmr dmu dpd dpe dpi dpm dpp dpr dpu drd dre dri drm drp drr dru dud due dui dum dup dur ed- edd ede edi edm edp edr edu eed eee eem eep eer eid eie eii eim eip eir eiu em- emd eme emi emm emp emr emu ep- epd epe epi epm epp epr epu erd ere eri erm erp err eru eu- eud eue eui eup eur i-d idd ide idi idm idp idr idu ie- ied iee iei iem iep ier iid iie iii iim iip iir iiu im- imd ime imi imm imp imu ipd ipe ipi ipm ipp ipr ipu ir- ird ire iri irm irp irr iru iu- iud iue iui ium iup iur m-r mdd mde mdi mdm mdp mdr mdu med mee mei mem mep mer meu mi- mid mie mii mim mip mir miu mmd mme mmi mmm mmp mmr mmu mpd mpe mpi mpm mpp mpr mpu mrd mre mri mrm mrp mrr mru mud mue mui mum mup mur muu p-p pdd pde pdi pdm pdp pdr pdu ped pee pei pem pep per peu pid pie pii pim pip pir piu pmd pme pmi pmm pmp pmr pmu ppd ppe ppi ppm ppp ppr ppu prd pre pri prm prp prr pru pud pue pui pum pup pur puu rdd rde rdi rdm rdp rdr rdu re- red ree rei rem rep rer reu rid rie rii rim rip rir rmd rme rmi rmm rmp rmr rpd rpe rpi rpm rpp rpr rpu rrd rri rrm rrp rrr rru rud rue rui rum rup rur ruu udd ude udi udm udp udr udu ued uee uei uem uep uer uid uie uii uim uip uir uiu um- umd ume umi umm ump umr umu up- upd upe upi upm upp upr upu ur- urd ure uri urm urp urr uru uue uum uur uuu