-er -ol ddd dde ddi ddk ddl ddo ddr ddw de- ded dee dei dek del deo der dew di- did die dii dik dil dio dir diw dke dki dkk dkl dko dkr dkw dl- dld dle dli dlk dll dlo dlr dod doe doi dok dol doo dor dow drd dre dri drk drl dro drr drw dwe dwi dwo dwr dww ed- edd ede edi edk edl edo edr edw eed eee eek eel eeo eer eew eid eie eii eik eil eio eir ekd eke eki ekl eko ekr eld ele eli elk ell elo elr elw eo- eod eoe eoi eok eol eoo eor eow erd ere eri erk erl ero err erw ewd ewe ewi ewk ewl ewo ewr eww i-d idd ide idi idk idl ido idr idw ie- ied iee iei iek iel ier iid iie iii iil iio iir iiw ike iki ikk ikl iko ikr il- ild ile ili ilk ill ilo ilr io- iod ioe ioi iol ioo ior iow ir- ird ire iri irk irl iro irr iwd iwe iwi iwk iwl iwo iwr iww kde kdk kdl kdo kdr ke- ked kee kei kek kel keo ker kew kid kie kii kik kil kio kir kke kki kkk kkl kkr kl- kld kli klo klr kod koe koi kok kol koo kor kow krd kri krk krl kro krr krw kw- kwd kwi kwk kwo kww ldd lde ldi ldk ldl ldo ldr ldw led lee lei lek lel leo ler lew lid lie lii lik lil lio lir liw lkl lkr lld lle lli llk lll llo llr llw lod loe loi lok lol loo lor low lrd lri lrk lro lrr lrw lwd lwi lwl lwo lwr lww o-i odd ode odi odl odo odr oed oee oei oel oeo oer oid oie oii oik oil oio oir okd oke oki okk okl oko okr okw old ole oli olk oll olo olw oo- ood ooi ook ool ooo oor oow or- ord ore ori ork orl oro orr owd owe owi owk owl owo oww rdd rde rdi rdl rdo rdr re- red ree rei rek rel reo rer rew rid rie rii rik ril rio rir rke rkk rko rld rle rli rll rlo rlr rlw rod roe roi rok rol roo ror row rrd rri rrk rrl rrr rwd rwe rwi rwl rwr wdi wdl wdr wed wee wei wek wel weo wer wew wid wie wii wik wil wir wkd wke wko wkr wkw wl- wle wli wll wlo wlr wlw wod woe woi wok wol woo wor wow wr- wrd wre wri wrk wrl wro wrr wrw wwd wwe wwi wwl wwo www