-ol ddd ddf ddl ddo ddp dds ddt dfd dff dfl dfo dfp dfs dft dl- dld dlf dll dlo dlp dls dlt dod dof dol doo dop dos dot dpd dpf dpl dpo dpp dps dpt dsd dsf dsl dso dsp dss dst dtd dtf dtl dto dtp dts dtt fdd fdf fdl fdo fdp fds fdt ffd fff ffl ffo ffp ffs fft fld flf fll flo flp fls flt fof fol foo fop fos fot fpd fpl fpo fpp fps fpt fsd fsf fsl fso fsp fss fst ftd ftf ftl fto ftp fts ftt l-p ldd ldf ldl ldo ldp lds ldt lfd lff lfl lfo lfp lfs lft lld llf lll llo llp lls llt lod lof lol loo lop los lot lpd lpf lpl lpo lpp lps lpt lsd lsf lsl lso lsp lss lst ltd ltf ltl lto ltp lts ltt odd odf odl odo odp ods odt of- ofd off ofl ofo ofp ofs oft old olf oll olo olp ols olt oo- ood oof ool ooo oop oos oot op- opd opf opl opo opp ops opt os- osd osf osl oso osp oss ost ot- otd otf otl oto otp ots ott p-p pdd pdf pdl pdo pdp pds pdt pfd pff pfl pfo pfp pfs pft pld plf pll plo plp pls plt pod pof pol poo pop pos pot ppd ppf ppl ppo ppp pps ppt ps- psd psf psl pso psp pss pst pt- ptd ptf ptl pto ptp pts ptt sdd sdf sdl sdo sdp sds sdt sfd sff sfl sfo sfp sfs sft sld slf sll slo slp sls slt sod sof sol soo sop sos sot spd spf spl spo spp sps spt ss- ssd ssf ssl sso ssp sss sst std stf stl sto stp sts stt tdd tdf tdl tdo tdp tds tdt tfd tff tfl tfo tfp tfs tft tld tlf tll tlo tlp tls tlt to- tod tof tol too top tos tot tpd tpf tpl tpo tpp tps tpt tsd tsf tsl tso tsp tss tst ttd ttf ttl tto ttp tts ttt