-er ddd dde ddi ddm ddp ddr ddt de- ded dee dei dem dep der det di- did die dii dim dip dir dit dmd dme dmi dmm dmp dmr dmt dpd dpe dpi dpm dpp dpr dpt drd dre dri drm drp drr drt dtd dte dti dtm dtp dtr dtt ed- edd ede edi edm edp edr edt eed eee eem eep eer eet eid eie eii eim eip eir eit em- emd eme emi emm emp emr emt ep- epd epe epi epm epp epr ept erd ere eri erm erp err ert etd ete eti etm etp etr ett i-d idd ide idi idm idp idr idt ie- ied iee iei iem iep ier iet iid iie iii iim iip iir iit im- imd ime imi imm imp imt ipd ipe ipi ipm ipp ipr ipt ir- ird ire iri irm irp irr irt itd ite iti itm itp itt m-r mdd mde mdi mdm mdp mdr mdt med mee mei mem mep mer met mi- mid mie mii mim mip mir mit mmd mme mmi mmm mmp mmr mmt mpd mpe mpi mpm mpp mpr mpt mrd mre mri mrm mrp mrr mrt mtd mte mti mtm mtp mtr mtt p-p pdd pde pdi pdm pdp pdr pdt ped pee pei pem pep per pet pid pie pii pim pip pir pit pmd pme pmi pmm pmp pmr pmt ppd ppe ppi ppm ppp ppr ppt prd pre pri prm prp prr prt pt- ptd pte pti ptm ptp ptr ptt rdd rde rdi rdm rdp rdr rdt re- red ree rei rem rep rer ret rid rie rii rim rip rir rit rmd rme rmi rmm rmp rmr rmt rpd rpe rpi rpm rpp rpr rpt rrd rri rrm rrp rrr rrt rtd rte rti rtm rtp rtr rtt tdd tde tdi tdm tdp tdr tdt te- ted tee tei tem tep ter tet tid tie tii tim tip tir tit tmd tme tmi tmm tmp tmr tmt tpd tpe tpi tpm tpp tpr tpt trd tre tri trm trp trr trt ttd tte tti ttm ttp ttr ttt