-er -up ddd dde ddi ddm ddp ddr ddt ddu de- ded dee dei dem dep der det deu di- did die dii dim dip dir dit diu dmd dme dmi dmm dmp dmr dmt dmu dpd dpe dpi dpm dpp dpr dpt dpu drd dre dri drm drp drr drt dru dtd dte dti dtm dtp dtr dtt dtu dud due dui dum dup dur dut ed- edd ede edi edm edp edr edt edu eed eee eem eep eer eet eid eie eii eim eip eir eit eiu em- emd eme emi emm emp emr emt emu ep- epd epe epi epm epp epr ept epu erd ere eri erm erp err ert eru etd ete eti etm etp etr ett etu eu- eud eue eui eup eur eut i-d idd ide idi idm idp idr idt idu ie- ied iee iei iem iep ier iet iid iie iii iim iip iir iit iiu im- imd ime imi imm imp imt imu ipd ipe ipi ipm ipp ipr ipt ipu ir- ird ire iri irm irp irr irt iru itd ite iti itm itp itt itu iu- iud iue iui ium iup iur iut m-r mdd mde mdi mdm mdp mdr mdt mdu med mee mei mem mep mer met meu mi- mid mie mii mim mip mir mit miu mmd mme mmi mmm mmp mmr mmt mmu mpd mpe mpi mpm mpp mpr mpt mpu mrd mre mri mrm mrp mrr mrt mru mtd mte mti mtm mtp mtr mtt mtu mud mue mui mum mup mur mut muu p-p pdd pde pdi pdm pdp pdr pdt pdu ped pee pei pem pep per pet peu pid pie pii pim pip pir pit piu pmd pme pmi pmm pmp pmr pmt pmu ppd ppe ppi ppm ppp ppr ppt ppu prd pre pri prm prp prr prt pru pt- ptd pte pti ptm ptp ptr ptt ptu pud pue pui pum pup pur put puu rdd rde rdi rdm rdp rdr rdt rdu re- red ree rei rem rep rer ret reu rid rie rii rim rip rir rit rmd rme rmi rmm rmp rmr rmt rpd rpe rpi rpm rpp rpr rpt rpu rrd rri rrm rrp rrr rrt rru rtd rte rti rtm rtp rtr rtt rtu rud rue rui rum rup rur rut ruu tdd tde tdi tdm tdp tdr tdt tdu te- ted tee tei tem tep ter tet teu tid tie tii tim tip tir tit tiu tmd tme tmi tmm tmp tmr tmt tmu tpd tpe tpi tpm tpp tpr tpt tpu trd tre tri trm trp trr trt tru ttd tte tti ttm ttp ttr ttt ttu tud tue tui tum tup tur tut tuu udd ude udi udm udp udr udt udu ued uee uei uem uep uer uet uid uie uii uim uip uir uit uiu um- umd ume umi umm ump umr umt umu up- upd upe upi upm upp upr upt upu ur- urd ure uri urm urp urr urt uru utd ute uti utm utp utr utt utu uue uum uur uut uuu