-er ddd dde ddi ddk ddl ddr dds ddz de- ded dee dei dek del der des dez di- did die dii dik dil dir dis diz dke dki dkk dkl dkr dks dl- dld dle dli dlk dll dlr dls drd dre dri drk drl drr drs drz dsd dse dsi dsk dsl dsr dss dsz dzd dze dzi dzr dzs ed- edd ede edi edk edl edr eds eed eee eek eel eer ees eid eie eii eik eil eir eis ekd eke eki ekl ekr eks eld ele eli elk ell elr els elz erd ere eri erk erl err ers erz es- esd ese esi esk esl esr ess eze ezr ezs ezz i-d idd ide idi idk idl idr ids ie- ied iee iei iek iel ier ies iid iie iii iil iir iis ike iki ikk ikl ikr iks il- ild ile ili ilk ill ilr ils ilz ir- ird ire iri irk irl irr irs is- isd ise isi isk isl isr iss ize izi izz k-z kde kdk kdl kdr kds ke- ked kee kei kek kel ker kes kez kid kie kii kik kil kir kis kiz kke kki kkk kkl kkr kks kl- kld kli klr kls klz krd kri krk krl krr krs ksd kse ksi ksk ksl ksr kss ldd lde ldi ldk ldl ldr lds led lee lei lek lel ler les lez lid lie lii lik lil lir lis liz lkl lkr lks lld lle lli llk lll llr lls llz lrd lri lrk lrr lrs lrz lsd lse lsi lsk lsl lsr lss lsz lzi lzr lzs rdd rde rdi rdl rdr rds re- red ree rei rek rel rer res rez rid rie rii rik ril rir ris riz rke rkk rks rkz rld rle rli rll rlr rls rrd rri rrk rrl rrr rrs rsd rse rsi rsk rsl rsr rss rze sdd sde sdi sdk sdl sdr sds sdz se- sed see sei sek sel ser ses sez sid sie sii sik sil sir sis sk- skd ske ski skk skl skr sks sld sle sli slk sll slr sls sr- srd sre sri srk srl srr srs ss- ssd sse ssi ssk ssl ssr sss ssz szd sze szi szl szr zds zed zee zek zel zer zes zez zid zie zik zil zir zis ziz zks zlr zrl zrs zse zsi zsl zsz zzr zzs zzz