-er -ol ddd dde ddl ddn ddo ddr dds ddu de- ded dee del den deo der des deu dl- dld dle dll dlo dlr dls dlu dnd dne dnl dnn dno dnr dns dod doe dol don doo dor dos dou drd dre drl drn dro drr drs dru dsd dse dsl dsn dso dsr dss dsu dud due dul dun duo dur dus ed- edd ede edl edn edo edr eds edu eed eee eel een eeo eer ees eld ele ell eln elo elr els elu en- end ene enl enn eno enr ens enu eo- eod eoe eol eon eoo eor eos eou erd ere erl ern ero err ers eru es- esd ese esl esn eso esr ess esu eu- eud eue eul eun eur eus ldd lde ldl ldn ldo ldr lds ldu led lee lel len leo ler les leu lld lle lll lln llo llr lls llu lnd lne lnl lnn lno lnr lns lnu lod loe lol lon loo lor los lou lrd lrn lro lrr lrs lru lsd lse lsl lsn lso lsr lss lsu lud lue lul lun luo lur lus luu ndd nde ndl ndn ndo ndr nds ndu ne- ned nee nel nen neo ner nes neu nld nle nll nln nlo nlr nls nlu nne nnl nnn nno nns nnu no- nod noe nol non noo nor nos nou nrd nre nrl nrn nro nrr nrs nru nsd nse nsl nsn nso nsr nss nsu nud nue nul nun nuo nur nus nuu odd ode odl odn odo odr ods odu oed oee oel oen oeo oer oes old ole oll oln olo ols olu on- ond one onl onn ono onr ons onu oo- ood ool oon ooo oor oos or- ord ore orl orn oro orr ors oru os- osd ose osl osn oso osr oss osu ou- oud oue oul oun ouo our ous rdd rde rdl rdn rdo rdr rds rdu re- red ree rel ren reo rer res reu rld rle rll rln rlo rlr rls rlu rnd rnn rno rnr rns rnu rod roe rol ron roo ror ros rou rrd rrl rrn rrr rrs rru rsd rse rsl rsn rso rsr rss rsu rud rue run ruo rur rus ruu sdd sde sdl sdn sdo sdr sds sdu se- sed see sel sen seo ser ses seu sld sle sll sln slo slr sls slu snd sne snl snn sno snr sns snu sod soe sol son soo sor sos sou sr- srd sre srl srn sro srr srs ss- ssd sse ssl ssn sso ssr sss ssu sud sue sul sun suo sur sus suu udd ude udl udn udo udr uds udu ued uee uel uen uer ues uld ule ull uln ulo ulr uls ulu un- und une unl unn uno unr uns unu uod uoe uol uon uoo uor uos ur- urd ure url urn uro urr urs uru usd use usl usn uso usr uss usu uue uun uur uus uuu