-er ddd dde ddl ddm ddn ddp ddr ddt de- ded dee del dem den dep der det dl- dld dle dll dlm dlp dlr dlt dmd dme dml dmm dmn dmp dmr dmt dnd dne dnl dnm dnn dnp dnr dnt dpd dpe dpl dpm dpn dpp dpr dpt drd dre drl drm drn drp drr drt dtd dte dtl dtm dtn dtp dtr dtt ed- edd ede edl edm edn edp edr edt eed eee eel eem een eep eer eet eld ele ell elm eln elp elr elt em- emd eme eml emm emn emp emr emt en- end ene enl enm enn enp enr ent ep- epd epe epl epm epn epp epr ept erd ere erl erm ern erp err ert etd ete etl etm etn etp etr ett l-p ldd lde ldl ldm ldn ldp ldr ldt led lee lel lem len lep ler let lld lle lll llm lln llp llr llt lmd lme lml lmm lmn lmp lmr lmt lnd lne lnl lnm lnn lnp lnr lnt lpd lpe lpl lpm lpn lpp lpr lpt lrd lrm lrn lrp lrr lrt ltd lte ltl ltm ltp ltr ltt m-r mdd mde mdl mdm mdn mdp mdr mdt med mee mel mem men mep mer met mld mle mll mlm mln mlp mlr mlt mmd mme mml mmm mmn mmp mmr mmt mne mnl mnm mnn mnp mnr mnt mpd mpe mpl mpm mpn mpp mpr mpt mrd mre mrl mrm mrn mrp mrr mrt mtd mte mtl mtm mtn mtp mtr mtt ndd nde ndl ndm ndn ndp ndr ndt ne- ned nee nel nem nen nep ner net nld nle nll nlm nln nlp nlr nlt nmd nme nml nmm nmn nmp nmr nmt nne nnl nnm nnn nnp nnt npd npe npl npm npn npp npr npt nrd nre nrl nrm nrn nrp nrr nrt ntd nte ntm ntn ntp ntr ntt p-p pdd pde pdl pdm pdn pdp pdr pdt ped pee pel pem pen pep per pet pld ple pll plm pln plp plr plt pmd pme pml pmm pmn pmp pmr pmt pn- pnd pne pnl pnm pnn pnp pnr pnt ppd ppe ppl ppm ppn ppp ppr ppt prd pre prl prm prn prp prr prt pt- ptd pte ptl ptm ptn ptp ptr ptt rdd rde rdl rdm rdn rdp rdr rdt re- red ree rel rem ren rep rer ret rld rle rll rlm rln rlp rlr rlt rmd rme rml rmm rmn rmp rmr rmt rnd rnm rnn rnp rnr rnt rpd rpe rpl rpm rpn rpp rpr rpt rrd rrl rrm rrn rrp rrr rrt rtd rte rtl rtm rtn rtp rtr rtt tdd tde tdl tdm tdn tdp tdr tdt te- ted tee tel tem ten tep ter tet tld tle tll tlm tln tlp tlr tlt tmd tme tml tmm tmn tmp tmr tmt tnd tne tnl tnm tnn tnp tnr tnt tpd tpe tpl tpm tpn tpp tpr tpt trd tre trl trm trn trp trr trt ttd tte ttl ttm ttn ttp ttr ttt