-er -ol ddd dde ddf ddi ddl ddn ddo ddr dds ddu de- ded dee def dei del den deo der des deu dfd dfe dff dfi dfl dfn dfo dfr dfs dfu di- did die dif dii dil din dio dir dis diu dl- dld dle dlf dli dll dlo dlr dls dlu dnd dne dnf dni dnl dnn dno dnr dns dod doe dof doi dol don doo dor dos dou drd dre dri drl drn dro drr drs dru dsd dse dsf dsi dsl dsn dso dsr dss dsu dud due duf dui dul dun duo dur dus ed- edd ede edf edi edl edn edo edr eds edu eed eee eef eel een eeo eer ees ef- efd efe eff efi efl efo efr efs eid eie eif eii eil ein eio eir eis eiu eld ele elf eli ell eln elo elr els elu en- end ene enf eni enl enn eno enr ens enu eo- eod eoe eof eoi eol eon eoo eor eos eou erd ere erf eri erl ern ero err ers eru es- esd ese esf esi esl esn eso esr ess esu eu- eud eue euf eui eul eun eur eus fdd fde fdf fdi fdl fdn fdo fdr fds fdu fed fee fef fei fel fen feo fer fes feu ffd ffe fff ffi ffl ffn ffo ffr ffs ffu fid fie fif fii fil fin fir fis fiu fld fle flf fli fll fln flo flr fls flu fnd fne fnf fni fnl fnn fnr fns fnu foe fof foi fol fon foo for fos fou frd fre frf fri frl frn fro frr frs fru fsd fse fsf fsi fsl fsn fso fsr fss fsu fud fue fuf fui ful fun fuo fur fus fuu i-d i-f idd ide idf idi idl idn ido idr ids idu ie- ied iee ief iei iel ien ier ies ifd ife iff ifi ifl ifn ifo ifr ifs ifu iid iie iif iii iil iin iio iir iis iiu il- ild ile ilf ili ill iln ilo ilr ils ilu in- ind ine inf ini inl inn ino inr ins inu io- iod ioe iof ioi iol ion ioo ior ios iou ir- ird ire irf iri irl irn iro irr irs iru is- isd ise isf isi isl isn iso isr iss isu iu- iud iue iui iur ius ldd lde ldf ldi ldl ldn ldo ldr lds ldu led lee lef lei lel len leo ler les leu lfd lfe lff lfi lfl lfn lfo lfr lfs lfu lid lie lif lii lil lin lio lir lis liu lld lle llf lli lll lln llo llr lls llu lnd lne lni lnl lnn lno lnr lns lnu lod loe lof loi lol lon loo lor los lou lrd lrf lri lrn lro lrr lrs lru lsd lse lsf lsi lsl lsn lso lsr lss lsu lud lue luf lui lul lun luo lur lus luu n-i ndd nde ndf ndi ndl ndn ndo ndr nds ndu ne- ned nee nef nei nel nen neo ner nes neu nfd nfe nff nfi nfl nfn nfo nfr nfs nfu nid nie nif nii nil nin nio nir nis niu nld nle nlf nli nll nln nlo nlr nls nlu nne nnf nni nnl nnn nno nns nnu no- nod noe nof noi nol non noo nor nos nou nrd nre nrf nri nrl nrn nro nrr nrs nru nsd nse nsf nsi nsl nsn nso nsr nss nsu nud nue nui nul nun nuo nur nus nuu o-i odd ode odf odi odl odn odo odr ods odu oed oee oef oei oel oen oeo oer oes of- ofd ofe off ofi ofl ofn ofo ofr ofs ofu oid oie oif oii oil oin oio oir ois oiu old ole olf oli oll oln olo ols olu on- ond one onf oni onl onn ono onr ons onu oo- ood oof ooi ool oon ooo oor oos or- ord ore orf ori orl orn oro orr ors oru os- osd ose osf osi osl osn oso osr oss osu ou- oud oue ouf oui oul oun ouo our ous rdd rde rdf rdi rdl rdn rdo rdr rds rdu re- red ree ref rei rel ren reo rer res reu rfd rfe rff rfi rfl rfn rfo rfr rfs rfu rid rie rif rii ril rin rio rir ris rld rle rlf rli rll rln rlo rlr rls rlu rnd rni rnn rno rnr rns rnu rod roe rof roi rol ron roo ror ros rou rrd rrf rri rrl rrn rrr rrs rru rsd rse rsf rsi rsl rsn rso rsr rss rsu rud rue ruf rui run ruo rur rus ruu sdd sde sdf sdi sdl sdn sdo sdr sds sdu se- sed see sef sei sel sen seo ser ses seu sfd sfe sff sfi sfl sfn sfo sfr sfs sfu sid sie sif sii sil sin sio sir sis siu sld sle slf sli sll sln slo slr sls slu snd sne snf sni snl snn sno snr sns snu sod soe sof soi sol son soo sor sos sou sr- srd sre srf sri srl srn sro srr srs ss- ssd sse ssf ssi ssl ssn sso ssr sss ssu sud sue suf sui sul sun suo sur sus suu udd ude udf udi udl udn udo udr uds udu ued uee uef uei uel uen uer ues ufd ufe uff ufi ufl ufn ufo ufr ufs ufu uid uie uif uii uil uin uio uir uis uiu uld ule ulf uli ull uln ulo ulr uls ulu un- und une unf uni unl unn uno unr uns unu uod uoe uol uon uoo uor uos ur- urd ure urf uri url urn uro urr urs uru usd use usf usi usl usn uso usr uss usu uue uun uur uus uuu