-er -ol ddd dde ddl ddn ddo ddr ddu de- ded dee del den deo der deu dl- dld dle dll dlo dlr dlu dnd dne dnl dnn dno dnr dod doe dol don doo dor dou drd dre drl drn dro drr dru dud due dul dun duo dur ed- edd ede edl edn edo edr edu eed eee eel een eeo eer eld ele ell eln elo elr elu en- end ene enl enn eno enr enu eo- eod eoe eol eon eoo eor eou erd ere erl ern ero err eru eu- eud eue eul eun eur ldd lde ldl ldn ldo ldr ldu led lee lel len leo ler leu lld lle lll lln llo llr llu lnd lne lnl lnn lno lnr lnu lod loe lol lon loo lor lou lrd lrn lro lrr lru lud lue lul lun luo lur luu ndd nde ndl ndn ndo ndr ndu ne- ned nee nel nen neo ner neu nld nle nll nln nlo nlr nlu nne nnl nnn nno nnu no- nod noe nol non noo nor nou nrd nre nrl nrn nro nrr nru nud nue nul nun nuo nur nuu odd ode odl odn odo odr odu oed oee oel oen oeo oer old ole oll oln olo olu on- ond one onl onn ono onr onu oo- ood ool oon ooo oor or- ord ore orl orn oro orr oru ou- oud oue oul oun ouo our rdd rde rdl rdn rdo rdr rdu re- red ree rel ren reo rer reu rld rle rll rln rlo rlr rlu rnd rnn rno rnr rnu rod roe rol ron roo ror rou rrd rrl rrn rrr rru rud rue run ruo rur ruu udd ude udl udn udo udr udu ued uee uel uen uer uld ule ull uln ulo ulr ulu un- und une unl unn uno unr unu uod uoe uol uon uoo uor ur- urd ure url urn uro urr uru uue uun uur uuu