-er -ol ddd dde ddf ddi ddl ddm ddo ddr dds ddt de- ded dee def dei del dem deo der des det dfd dfe dff dfi dfl dfm dfo dfr dfs dft di- did die dif dii dil dim dio dir dis dit dl- dld dle dlf dli dll dlm dlo dlr dls dlt dmd dme dmf dmi dml dmm dmo dmr dms dmt dod doe dof doi dol dom doo dor dos dot drd dre dri drl drm dro drr drs drt dsd dse dsf dsi dsl dsm dso dsr dss dst dtd dte dtf dti dtl dtm dto dtr dts dtt ed- edd ede edf edi edl edm edo edr eds edt eed eee eef eel eem eeo eer ees eet ef- efd efe eff efi efl efm efo efr efs eft eid eie eif eii eil eim eio eir eis eit eld ele elf eli ell elm elo elr els elt em- emd eme emf emi eml emm emo emr ems emt eo- eod eoe eof eoi eol eom eoo eor eos eot erd ere erf eri erl erm ero err ers ert es- esd ese esf esi esl esm eso esr ess est etd ete etf eti etl etm eto etr ets ett fdd fde fdf fdi fdl fdm fdo fdr fds fdt fed fee fef fei fel fem feo fer fes fet ffd ffe fff ffi ffl ffm ffo ffr ffs fft fid fie fif fii fil fim fir fis fit fld fle flf fli fll flm flo flr fls flt fmd fme fmf fmi fml fmm fmo fmr fms fmt foe fof foi fol fom foo for fos fot frd fre frf fri frl frm fro frr frs frt fsd fse fsf fsi fsl fsm fso fsr fss fst ftd fte ftf fti ftl ftm fto ftr fts ftt i-d i-f idd ide idf idi idl idm ido idr ids idt ie- ied iee ief iei iel iem ier ies iet ifd ife iff ifi ifl ifm ifo ifr ifs ift iid iie iif iii iil iim iio iir iis iit il- ild ile ilf ili ill ilm ilo ilr ils ilt im- imd ime imf imi iml imm imo ims imt io- iod ioe iof ioi iol iom ioo ior ios iot ir- ird ire irf iri irl irm iro irr irs irt is- isd ise isf isi isl ism iso isr iss ist itd ite itf iti itl itm ito its itt ldd lde ldf ldi ldl ldm ldo ldr lds ldt led lee lef lei lel lem leo ler les let lfd lfe lff lfi lfl lfm lfo lfr lfs lft lid lie lif lii lil lim lio lir lis lit lld lle llf lli lll llm llo llr lls llt lmd lme lmf lmi lml lmm lmo lmr lms lmt lod loe lof loi lol lom loo lor los lot lrd lrf lri lrm lro lrr lrs lrt lsd lse lsf lsi lsl lsm lso lsr lss lst ltd lte ltf lti ltl ltm lto ltr lts ltt m-f m-o m-r mdd mde mdf mdi mdl mdm mdo mdr mds mdt med mee mef mei mel mem meo mer mes met mfd mfe mff mfi mfl mfm mfo mfr mfs mft mi- mid mie mif mii mil mim mio mir mis mit mld mle mlf mli mll mlm mlo mlr mls mlt mmd mme mmf mmi mml mmm mmo mmr mms mmt mod moe mof moi mol mom moo mor mos mot mrd mre mrf mri mrl mrm mro mrr mrs mrt msd mse msf msi msl msm mso msr mss mst mtd mte mtf mti mtl mtm mto mtr mts mtt o-i odd ode odf odi odl odm odo odr ods odt oed oee oef oei oel oem oeo oer oes oet of- ofd ofe off ofi ofl ofm ofo ofr ofs oft oid oie oif oii oil oim oio oir ois oit old ole olf oli oll olm olo ols olt om- omd ome omf omi oml omm omo omr oms omt oo- ood oof ooi ool oom ooo oor oos oot or- ord ore orf ori orl orm oro orr ors ort os- osd ose osf osi osl osm oso osr oss ost ot- otd ote otf oti otl otm oto otr ots ott rdd rde rdf rdi rdl rdm rdo rdr rds rdt re- red ree ref rei rel rem reo rer res ret rfd rfe rff rfi rfl rfm rfo rfr rfs rft rid rie rif rii ril rim rio rir ris rit rld rle rlf rli rll rlm rlo rlr rls rlt rmd rme rmf rmi rml rmm rmo rmr rms rmt rod roe rof roi rol rom roo ror ros rot rrd rrf rri rrl rrm rrr rrs rrt rsd rse rsf rsi rsl rsm rso rsr rss rst rtd rte rtf rti rtl rtm rto rtr rts rtt sdd sde sdf sdi sdl sdm sdo sdr sds sdt se- sed see sef sei sel sem seo ser ses set sfd sfe sff sfi sfl sfm sfo sfr sfs sft sid sie sif sii sil sim sio sir sis sit sld sle slf sli sll slm slo slr sls slt smd sme smf smi sml smm smo smr sms smt sod soe sof soi sol som soo sor sos sot sr- srd sre srf sri srl srm sro srr srs srt ss- ssd sse ssf ssi ssl ssm sso ssr sss sst std ste stf sti stl stm sto str sts stt tdd tde tdf tdi tdl tdm tdo tdr tds tdt te- ted tee tef tei tel tem teo ter tes tet tfd tfe tff tfi tfl tfm tfo tfr tfs tft tid tie tif tii til tim tio tir tis tit tld tle tlf tli tll tlm tlo tlr tls tlt tmd tme tmf tmi tml tmm tmo tmr tms tmt to- tod toe tof toi tol tom too tor tos tot trd tre trf tri trl trm tro trr