-er ddd dde ddi ddk ddr dds ddw de- ded dee dei dek der des dev dew di- did die dii dik dir dis div diw dke dki dkk dkr dks dkw drd dre dri drk drr drs drv drw dsd dse dsi dsk dsr dss dsv dsw dvd dve dvi dvk dvr dvs dvw dwe dwi dwr dws dwv dww ed- edd ede edi edk edr eds edw eed eee eek eer ees eev eew eid eie eii eik eir eis eiv ekd eke eki ekr eks ekv erd ere eri erk err ers erv erw es- esd ese esi esk esr ess esv esw evd eve evi evr evs evv evw ewd ewe ewi ewk ewr ews eww i-d i-v idd ide idi idk idr ids idv idw ie- ied iee iei iek ier ies iev iid iie iii iir iis iiw ike iki ikk ikr iks ikv ir- ird ire iri irk irr irs irv is- isd ise isi isk isr iss isv isw ivd ive ivi ivr ivs ivv iwd iwe iwi iwk iwr iws iww kde kdk kdr kds ke- ked kee kei kek ker kes kev kew kid kie kii kik kir kis kiv kke kki kkk kkr kks kkv krd kri krk krr krs krv krw ksd kse ksi ksk ksr kss ksv ksw kvi kvk kvr kvs kvv kw- kwd kwi kwk kws kww rdd rde rdi rdr rds rdv re- red ree rei rek rer res rev rew rid rie rii rik rir ris riv rke rkk rks rkv rrd rri rrk rrr rrs rsd rse rsi rsk rsr rss rsv rsw rvd rve rvi rvr rvs rvv rvw rwd rwe rwi rwr rws sdd sde sdi sdk sdr sds sdv sdw se- sed see sei sek ser ses sev sew sid sie sii sik sir sis siv siw sk- skd ske ski skk skr sks skw sr- srd sre sri srk srr srs srv srw ss- ssd sse ssi ssk ssr sss ssv ssw svd sve svi svk svr svs svv swd swe swi swk swr sws swv v-e vdd vde vdi vdk vdr vds vdv vdw ved vee vei vek ver ves vew vi- vid vie vii vik vir vis viv vrd vre vri vrk vrr vrs vsd vse vsi vsk vsr vss vsv vsw vvi vvr vvs vvv vwd vws wdi wdr wds wdv wed wee wei wek wer wes wew wid wie wii wik wir wis wiv wkd wke wkr wks wkw wr- wrd wre wri wrk wrr wrs wrw wsd wse wsi wsk wsr wss wsv wsw wvs wvw wwd wwe wwi wwv www