-er ddd dde ddf ddi ddl ddm ddp ddr dds ddt de- ded dee def dei del dem dep der des det dfd dfe dff dfi dfl dfm dfp dfr dfs dft di- did die dif dii dil dim dip dir dis dit dl- dld dle dlf dli dll dlm dlp dlr dls dlt dmd dme dmf dmi dml dmm dmp dmr dms dmt dpd dpe dpf dpi dpl dpm dpp dpr dps dpt drd dre dri drl drm drp drr drs drt dsd dse dsf dsi dsl dsm dsp dsr dss dst dtd dte dtf dti dtl dtm dtp dtr dts dtt ed- edd ede edf edi edl edm edp edr eds edt eed eee eef eel eem eep eer ees eet ef- efd efe eff efi efl efm efp efr efs eft eid eie eif eii eil eim eip eir eis eit eld ele elf eli ell elm elp elr els elt em- emd eme emf emi eml emm emp emr ems emt ep- epd epe epf epi epl epm epp epr eps ept erd ere erf eri erl erm erp err ers ert es- esd ese esf esi esl esm esp esr ess est etd ete etf eti etl etm etp etr ets ett fdd fde fdf fdi fdl fdm fdp fdr fds fdt fed fee fef fei fel fem fep fer fes fet ffd ffe fff ffi ffl ffm ffp ffr ffs fft fid fie fif fii fil fim fip fir fis fit fld fle flf fli fll flm flp flr fls flt fmd fme fmf fmi fml fmm fmp fmr fms fmt fpd fpe fpi fpl fpm fpp fpr fps fpt frd fre frf fri frl frm frp frr frs frt fsd fse fsf fsi fsl fsm fsp fsr fss fst ftd fte ftf fti ftl ftm ftp ftr fts ftt i-d i-f idd ide idf idi idl idm idp idr ids idt ie- ied iee ief iei iel iem iep ier ies iet ifd ife iff ifi ifl ifm ifp ifr ifs ift iid iie iif iii iil iim iip iir iis iit il- ild ile ilf ili ill ilm ilp ilr ils ilt im- imd ime imf imi iml imm imp ims imt ipd ipe ipf ipi ipl ipm ipp ipr ips ipt ir- ird ire irf iri irl irm irp irr irs irt is- isd ise isf isi isl ism isp isr iss ist itd ite itf iti itl itm itp its itt l-p ldd lde ldf ldi ldl ldm ldp ldr lds ldt led lee lef lei lel lem lep ler les let lfd lfe lff lfi lfl lfm lfp lfr lfs lft lid lie lif lii lil lim lip lir lis lit lld lle llf lli lll llm llp llr lls llt lmd lme lmf lmi lml lmm lmp lmr lms lmt lpd lpe lpf lpi lpl lpm lpp lpr lps lpt lrd lrf lri lrm lrp lrr lrs lrt lsd lse lsf lsi lsl lsm lsp lsr lss lst ltd lte ltf lti ltl ltm ltp ltr lts ltt m-f m-r mdd mde mdf mdi mdl mdm mdp mdr mds mdt med mee mef mei mel mem mep mer mes met mfd mfe mff mfi mfl mfm mfp mfr mfs mft mi- mid mie mif mii mil mim mip mir mis mit mld mle mlf mli mll mlm mlp mlr mls mlt mmd mme mmf mmi mml mmm mmp mmr mms mmt mpd mpe mpf mpi mpl mpm mpp mpr mps mpt mrd mre mrf mri mrl mrm mrp mrr mrs mrt msd mse msf msi msl msm msp msr mss mst mtd mte mtf mti mtl mtm mtp mtr mts mtt p-p pdd pde pdf pdi pdl pdm pdp pdr pds pdt ped pee pef pei pel pem pep per pes pet pfd pfe pff pfi pfl pfm pfp pfr pfs pft pid pie pif pii pil pim pip pir pis pit pld ple plf pli pll plm plp plr pls plt pmd pme pmf pmi pml pmm pmp pmr pms pmt ppd ppe ppf ppi ppl ppm ppp ppr pps ppt prd pre prf pri prl prm prp prr prs prt ps- psd pse psf psi psl psm psp psr pss pst pt- ptd pte ptf pti ptl ptm ptp ptr pts ptt rdd rde rdf rdi rdl rdm rdp rdr rds rdt re- red ree ref rei rel rem rep rer res ret rfd rfe rff rfi rfl rfm rfp rfr rfs rft rid rie rif rii ril rim rip rir ris rit rld rle rlf rli rll rlm rlp rlr rls rlt rmd rme rmf rmi rml rmm rmp rmr rms rmt rpd rpe rpf rpi rpl rpm rpp rpr rps rpt rrd rrf rri rrl rrm rrp rrr rrs rrt rsd rse rsf rsi rsl rsm rsp rsr rss rst rtd rte rtf rti rtl rtm rtp rtr rts rtt sdd sde sdf sdi sdl sdm sdp sdr sds sdt se- sed see sef sei sel sem sep ser ses set sfd sfe sff sfi sfl sfm sfp sfr sfs sft sid sie sif sii sil sim sip sir sis sit sld sle slf sli sll slm slp slr sls slt smd sme smf smi sml smm smp smr sms smt spd spe spf spi spl spm spp spr sps spt sr- srd sre srf sri srl srm srp srr srs srt ss- ssd sse ssf ssi ssl ssm ssp ssr sss sst std ste stf sti stl stm stp str sts stt tdd tde tdf tdi tdl tdm tdp tdr tds tdt te- ted tee tef tei tel tem tep ter tes tet tfd tfe tff tfi tfl tfm tfp tfr tfs tft tid tie tif tii til tim tip tir tis tit tld tle tlf tli tll tlm tlp tlr tls tlt tmd tme tmf tmi tml tmm tmp tmr tms tmt tpd tpe tpf tpi tpl tpm tpp tpr tps tpt trd tre trf tri trl trm trp trr trs trt