-er -ol ddd dde ddf ddi ddl ddo ddr dds ddz de- ded dee def dei del deo der des dez dfd dfe dff dfi dfl dfo dfr dfs dfz di- did die dif dii dil dio dir dis diz dl- dld dle dlf dli dll dlo dlr dls dod doe dof doi dol doo dor dos doz drd dre dri drl dro drr drs drz dsd dse dsf dsi dsl dso dsr dss dsz dzd dze dzi dzo dzr dzs ed- edd ede edf edi edl edo edr eds eed eee eef eel eeo eer ees ef- efd efe eff efi efl efo efr efs eid eie eif eii eil eio eir eis eld ele elf eli ell elo elr els elz eo- eod eoe eof eoi eol eoo eor eos erd ere erf eri erl ero err ers erz es- esd ese esf esi esl eso esr ess eze ezf ezo ezr ezs ezz fdd fde fdf fdi fdl fdo fdr fds fed fee fef fei fel feo fer fes fez ffd ffe fff ffi ffl ffo ffr ffs ffz fid fie fif fii fil fir fis fiz fld fle flf fli fll flo flr fls foe fof foi fol foo for fos foz frd fre frf fri frl fro frr frs fsd fse fsf fsi fsl fso fsr fss fzd i-d i-f idd ide idf idi idl ido idr ids ie- ied iee ief iei iel ier ies ifd ife iff ifi ifl ifo ifr ifs ifz iid iie iif iii iil iio iir iis il- ild ile ilf ili ill ilo ilr ils ilz io- iod ioe iof ioi iol ioo ior ios ir- ird ire irf iri irl iro irr irs is- isd ise isf isi isl iso isr iss ize izi izo izz ldd lde ldf ldi ldl ldo ldr lds led lee lef lei lel leo ler les lez lfd lfe lff lfi lfl lfo lfr lfs lid lie lif lii lil lio lir lis liz lld lle llf lli lll llo llr lls llz lod loe lof loi lol loo lor los loz lrd lrf lri lro lrr lrs lrz lsd lse lsf lsi lsl lso lsr lss lsz lzi lzo lzr lzs o-i odd ode odf odi odl odo odr ods oed oee oef oei oel oeo oer oes of- ofd ofe off ofi ofl ofo ofr ofs ofz oid oie oif oii oil oio oir ois oiz old ole olf oli oll olo ols oo- ood oof ooi ool ooo oor oos or- ord ore orf ori orl oro orr ors orz os- osd ose osf osi osl oso osr oss oze ozo ozs ozz rdd rde rdf rdi rdl rdo rdr rds re- red ree ref rei rel reo rer res rez rfd rfe rff rfi rfl rfo rfr rfs rfz rid rie rif rii ril rio rir ris riz rld rle rlf rli rll rlo rlr rls rod roe rof roi rol roo ror ros roz rrd rrf rri rrl rrr rrs rsd rse rsf rsi rsl rso rsr rss rze rzo sdd sde sdf sdi sdl sdo sdr sds sdz se- sed see sef sei sel seo ser ses sez sfd sfe sff sfi sfl sfo sfr sfs sfz sid sie sif sii sil sio sir sis sld sle slf sli sll slo slr sls sod soe sof soi sol soo sor sos soz sr- srd sre srf sri srl sro srr srs ss- ssd sse ssf ssi ssl sso ssr sss ssz szd sze szi szl szr zdf zds zed zee zef zel zeo zer zes zez zfd zfr zfs zid zie zif zil zio zir zis ziz zlr zo- zod zoe zof zoi zol zoo zor zos zrl zro zrs zse zsi zsl zsz zzr zzs zzz