-er -ol ddd dde ddk ddl ddo ddp ddr de- ded dee dek del deo dep der dke dkk dkl dko dkp dkr dl- dld dle dlk dll dlo dlp dlr dod doe dok dol doo dop dor dpd dpe dpk dpl dpo dpp dpr drd dre drk drl dro drp drr ed- edd ede edk edl edo edp edr eed eee eek eel eeo eep eer ekd eke ekl eko ekp ekr eld ele elk ell elo elp elr eo- eod eoe eok eol eoo eop eor ep- epd epe epl epo epp epr erd ere erk erl ero erp err kde kdk kdl kdo kdp kdr ke- ked kee kek kel keo kep ker kke kkk kkl kkp kkr kl- kld klo klr kod koe kok kol koo kop kor kpd kpe kpk kpl kpo kpp kpr krd krk krl kro krp krr l-p ldd lde ldk ldl ldo ldp ldr led lee lek lel leo lep ler lkl lkp lkr lld lle llk lll llo llp llr lod loe lok lol loo lop lor lpd lpe lpk lpl lpo lpp lpr lrd lrk lro lrp lrr odd ode odl odo odp odr oed oee oel oeo oep oer okd oke okk okl oko okp okr old ole olk oll olo olp oo- ood ook ool ooo oop oor op- opd ope opk opl opo opp opr or- ord ore ork orl oro orp orr p-p pdd pde pdk pdl pdo pdp pdr ped pee pek pel peo pep per pkd pke pkl pko pkp pkr pld ple plk pll plo plp plr pod poe pok pol poo pop por ppd ppe ppk ppl ppo ppp ppr prd pre prk prl pro prp prr rdd rde rdl rdo rdp rdr re- red ree rek rel reo rep rer rke rkk rko rkp rld rle rll rlo rlp rlr rod roe rok rol roo rop ror rpd rpe rpk rpl rpo rpp rpr rrd rrk rrl rrp rrr