-ol ddd dde ddf ddk ddl ddo ddp de- ded dee def dek del deo dep dfd dfe dff dfk dfl dfo dfp dke dkk dkl dko dkp dl- dld dle dlf dlk dll dlo dlp dod doe dof dok dol doo dop dpd dpe dpf dpk dpl dpo dpp ed- edd ede edf edk edl edo edp eed eee eef eek eel eeo eep ef- efd efe eff efl efo efp ekd eke ekf ekl eko ekp eld ele elf elk ell elo elp eo- eod eoe eof eok eol eoo eop ep- epd epe epf epl epo epp fdd fde fdf fdk fdl fdo fdp fed fee fef fek fel feo fep ffd ffe fff ffk ffl ffo ffp fkf fkk fkl fkp fld fle flf fll flo flp foe fof fok fol foo fop fpd fpe fpk fpl fpo fpp kde kdf kdk kdl kdo kdp ke- ked kee kef kek kel keo kep kfd kff kfo kke kkk kkl kkp kl- kld klf klo kod koe kof kok kol koo kop kpd kpe kpf kpk kpl kpo kpp l-p ldd lde ldf ldk ldl ldo ldp led lee lef lek lel leo lep lfd lfe lff lfk lfl lfo lfp lkl lkp lld lle llf llk lll llo llp lod loe lof lok lol loo lop lpd lpe lpf lpk lpl lpo lpp odd ode odf odl odo odp oed oee oef oel oeo oep of- ofd ofe off ofl ofo ofp okd oke okk okl oko okp old ole olf olk oll olo olp oo- ood oof ook ool ooo oop op- opd ope opf opk opl opo opp p-p pdd pde pdf pdk pdl pdo pdp ped pee pef pek pel peo pep pfd pfe pff pfk pfl pfo pfp pkd pke pkf pkl pko pkp pld ple plf plk pll plo plp pod poe pof pok pol poo pop ppd ppe ppf ppk ppl ppo ppp