-er -ol ddd dde ddf ddl ddn ddo ddr dds ddu de- ded dee def del den deo der des deu dfd dfe dff dfl dfn dfo dfr dfs dfu dl- dld dle dlf dll dlo dlr dls dlu dnd dne dnf dnl dnn dno dnr dns dod doe dof dol don doo dor dos dou drd dre drl drn dro drr drs dru dsd dse dsf dsl dsn dso dsr dss dsu dud due duf dul dun duo dur dus ed- edd ede edf edl edn edo edr eds edu eed eee eef eel een eeo eer ees ef- efd efe eff efl efo efr efs eld ele elf ell eln elo elr els elu en- end ene enf enl enn eno enr ens enu eo- eod eoe eof eol eon eoo eor eos eou erd ere erf erl ern ero err ers eru es- esd ese esf esl esn eso esr ess esu eu- eud eue euf eul eun eur eus fdd fde fdf fdl fdn fdo fdr fds fdu fed fee fef fel fen feo fer fes feu ffd ffe fff ffl ffn ffo ffr ffs ffu fld fle flf fll fln flo flr fls flu fnd fne fnf fnl fnn fnr fns fnu foe fof fol fon foo for fos fou frd fre frf frl frn fro frr frs fru fsd fse fsf fsl fsn fso fsr fss fsu fud fue fuf ful fun fuo fur fus fuu ldd lde ldf ldl ldn ldo ldr lds ldu led lee lef lel len leo ler les leu lfd lfe lff lfl lfn lfo lfr lfs lfu lld lle llf lll lln llo llr lls llu lnd lne lnl lnn lno lnr lns lnu lod loe lof lol lon loo lor los lou lrd lrf lrn lro lrr lrs lru lsd lse lsf lsl lsn lso lsr lss lsu lud lue luf lul lun luo lur lus luu ndd nde ndf ndl ndn ndo ndr nds ndu ne- ned nee nef nel nen neo ner nes neu nfd nfe nff nfl nfn nfo nfr nfs nfu nld nle nlf nll nln nlo nlr nls nlu nne nnf nnl nnn nno nns nnu no- nod noe nof nol non noo nor nos nou nrd nre nrf nrl nrn nro nrr nrs nru nsd nse nsf nsl nsn nso nsr nss nsu nud nue nul nun nuo nur nus nuu odd ode odf odl odn odo odr ods odu oed oee oef oel oen oeo oer oes of- ofd ofe off ofl ofn ofo ofr ofs ofu old ole olf oll oln olo ols olu on- ond one onf onl onn ono onr ons onu oo- ood oof ool oon ooo oor oos or- ord ore orf orl orn oro orr ors oru os- osd ose osf osl osn oso osr oss osu ou- oud oue ouf oul oun ouo our ous rdd rde rdf rdl rdn rdo rdr rds rdu re- red ree ref rel ren reo rer res reu rfd rfe rff rfl rfn rfo rfr rfs rfu rld rle rlf rll rln rlo rlr rls rlu rnd rnn rno rnr rns rnu rod roe rof rol ron roo ror ros rou rrd rrf rrl rrn rrr rrs rru rsd rse rsf rsl rsn rso rsr rss rsu rud rue ruf run ruo rur rus ruu sdd sde sdf sdl sdn sdo sdr sds sdu se- sed see sef sel sen seo ser ses seu sfd sfe sff sfl sfn sfo sfr sfs sfu sld sle slf sll sln slo slr sls slu snd sne snf snl snn sno snr sns snu sod soe sof sol son soo sor sos sou sr- srd sre srf srl srn sro srr srs ss- ssd sse ssf ssl ssn sso ssr sss ssu sud sue suf sul sun suo sur sus suu udd ude udf udl udn udo udr uds udu ued uee uef uel uen uer ues ufd ufe uff ufl ufn ufo ufr ufs ufu uld ule ulf ull uln ulo ulr uls ulu un- und une unf unl unn uno unr uns unu uod uoe uol uon uoo uor uos ur- urd ure urf url urn uro urr urs uru usd use usf usl usn uso usr uss usu uue uun uur uus uuu