-er -ol ddd dde ddl ddm ddo ddp ddr dds ddt de- ded dee del dem deo dep der des det dl- dld dle dll dlm dlo dlp dlr dls dlt dmd dme dml dmm dmo dmp dmr dms dmt dod doe dol dom doo dop dor dos dot dpd dpe dpl dpm dpo dpp dpr dps dpt drd dre drl drm dro drp drr drs drt dsd dse dsl dsm dso dsp dsr dss dst dtd dte dtl dtm dto dtp dtr dts dtt ed- edd ede edl edm edo edp edr eds edt eed eee eel eem eeo eep eer ees eet eld ele ell elm elo elp elr els elt em- emd eme eml emm emo emp emr ems emt eo- eod eoe eol eom eoo eop eor eos eot ep- epd epe epl epm epo epp epr eps ept erd ere erl erm ero erp err ers ert es- esd ese esl esm eso esp esr ess est etd ete etl etm eto etp etr ets ett l-p ldd lde ldl ldm ldo ldp ldr lds ldt led lee lel lem leo lep ler les let lld lle lll llm llo llp llr lls llt lmd lme lml lmm lmo lmp lmr lms lmt lod loe lol lom loo lop lor los lot lpd lpe lpl lpm lpo lpp lpr lps lpt lrd lrm lro lrp lrr lrs lrt lsd lse lsl lsm lso lsp lsr lss lst ltd lte ltl ltm lto ltp ltr lts ltt m-o m-r mdd mde mdl mdm mdo mdp mdr mds mdt med mee mel mem meo mep mer mes met mld mle mll mlm mlo mlp mlr mls mlt mmd mme mml mmm mmo mmp mmr mms mmt mod moe mol mom moo mop mor mos mot mpd mpe mpl mpm mpo mpp mpr mps mpt mrd mre mrl mrm mro mrp mrr mrs mrt msd mse msl msm mso msp msr mss mst mtd mte mtl mtm mto mtp mtr mts mtt odd ode odl odm odo odp odr ods odt oed oee oel oem oeo oep oer oes oet old ole oll olm olo olp ols olt om- omd ome oml omm omo omp omr oms omt oo- ood ool oom ooo oop oor oos oot op- opd ope opl opm opo opp opr ops opt or- ord ore orl orm oro orp orr ors ort os- osd ose osl osm oso osp osr oss ost ot- otd ote otl otm oto otp otr ots ott p-p pdd pde pdl pdm pdo pdp pdr pds pdt ped pee pel pem peo pep per pes pet pld ple pll plm plo plp plr pls plt pmd pme pml pmm pmo pmp pmr pms pmt pod poe pol pom poo pop por pos pot ppd ppe ppl ppm ppo ppp ppr pps ppt prd pre prl prm pro prp prr prs prt ps- psd pse psl psm pso psp psr pss pst pt- ptd pte ptl ptm pto ptp ptr pts ptt rdd rde rdl rdm rdo rdp rdr rds rdt re- red ree rel rem reo rep rer res ret rld rle rll rlm rlo rlp rlr rls rlt rmd rme rml rmm rmo rmp rmr rms rmt rod roe rol rom roo rop ror ros rot rpd rpe rpl rpm rpo rpp rpr rps rpt rrd rrl rrm rrp rrr rrs rrt rsd rse rsl rsm rso rsp rsr rss rst rtd rte rtl rtm rto rtp rtr rts rtt sdd sde sdl sdm sdo sdp sdr sds sdt se- sed see sel sem seo sep ser ses set sld sle sll slm slo slp slr sls slt smd sme sml smm smo smp smr sms smt sod soe sol som soo sop sor sos sot spd spe spl spm spo spp spr sps spt sr- srd sre srl srm sro srp srr srs srt ss- ssd sse ssl ssm sso ssp ssr sss sst std ste stl stm sto stp str sts stt tdd tde tdl tdm tdo tdp tdr tds tdt te- ted tee tel tem teo tep ter tes tet tld tle tll tlm tlo tlp tlr tls tlt tmd tme tml tmm tmo tmp tmr tms tmt to- tod toe tol tom too top tor tos tot tpd tpe tpl tpm tpo tpp tpr tps tpt trd tre trl trm tro trp trr trs trt tsd tse tsl tsm tso tsp tsr tss tst ttd tte ttl ttm tto ttp ttr tts ttt