-ol ddd dde ddf ddl ddo ddp dds ddt de- ded dee def del deo dep des det dfd dfe dff dfl dfo dfp dfs dft dl- dld dle dlf dll dlo dlp dls dlt dod doe dof dol doo dop dos dot dpd dpe dpf dpl dpo dpp dps dpt dsd dse dsf dsl dso dsp dss dst dtd dte dtf dtl dto dtp dts dtt ed- edd ede edf edl edo edp eds edt eed eee eef eel eeo eep ees eet ef- efd efe eff efl efo efp efs eft eld ele elf ell elo elp els elt eo- eod eoe eof eol eoo eop eos eot ep- epd epe epf epl epo epp eps ept es- esd ese esf esl eso esp ess est etd ete etf etl eto etp ets ett fdd fde fdf fdl fdo fdp fds fdt fed fee fef fel feo fep fes fet ffd ffe fff ffl ffo ffp ffs fft fld fle flf fll flo flp fls flt foe fof fol foo fop fos fot fpd fpe fpl fpo fpp fps fpt fsd fse fsf fsl fso fsp fss fst ftd fte ftf ftl fto ftp fts ftt l-p ldd lde ldf ldl ldo ldp lds ldt led lee lef lel leo lep les let lfd lfe lff lfl lfo lfp lfs lft lld lle llf lll llo llp lls llt lod loe lof lol loo lop los lot lpd lpe lpf lpl lpo lpp lps lpt lsd lse lsf lsl lso lsp lss lst ltd lte ltf ltl lto ltp lts ltt odd ode odf odl odo odp ods odt oed oee oef oel oeo oep oes oet of- ofd ofe off ofl ofo ofp ofs oft old ole olf oll olo olp ols olt oo- ood oof ool ooo oop oos oot op- opd ope opf opl opo opp ops opt os- osd ose osf osl oso osp oss ost ot- otd ote otf otl oto otp ots ott p-p pdd pde pdf pdl pdo pdp pds pdt ped pee pef pel peo pep pes pet pfd pfe pff pfl pfo pfp pfs pft pld ple plf pll plo plp pls plt pod poe pof pol poo pop pos pot ppd ppe ppf ppl ppo ppp pps ppt ps- psd pse psf psl pso psp pss pst pt- ptd pte ptf ptl pto ptp pts ptt sdd sde sdf sdl sdo sdp sds sdt se- sed see sef sel seo sep ses set sfd sfe sff sfl sfo sfp sfs sft sld sle slf sll slo slp sls slt sod soe sof sol soo sop sos sot spd spe spf spl spo spp sps spt ss- ssd sse ssf ssl sso ssp sss sst std ste stf stl sto stp sts stt tdd tde tdf tdl tdo tdp tds tdt te- ted tee tef tel teo tep tes tet tfd tfe tff tfl tfo tfp tfs tft tld tle tlf tll tlo tlp tls tlt to- tod toe tof tol too top tos tot tpd tpe tpf tpl tpo tpp tps tpt tsd tse tsf tsl tso tsp tss tst ttd tte ttf ttl tto ttp tts ttt