-ol ddd ddf ddl ddo dds dfd dff dfl dfo dfs dl- dld dlf dll dlo dls dod dof dol doo dos dsd dsf dsl dso dss fdd fdf fdl fdo fds ffd fff ffl ffo ffs fld flf fll flo fls fof fol foo fos fsd fsf fsl fso fss ldd ldf ldl ldo lds lfd lff lfl lfo lfs lld llf lll llo lls lod lof lol loo los lsd lsf lsl lso lss odd odf odl odo ods of- ofd off ofl ofo ofs old olf oll olo ols oo- ood oof ool ooo oos os- osd osf osl oso oss sdd sdf sdl sdo sds sfd sff sfl sfo sfs sld slf sll slo sls sod sof sol soo sos ss- ssd ssf ssl sso sss