-er -ol ddd dde ddk ddl ddn ddo ddr dds ddu de- ded dee dek del den deo der des deu dke dkk dkl dko dkr dks dku dl- dld dle dlk dll dlo dlr dls dlu dnd dne dnk dnl dnn dno dnr dns dod doe dok dol don doo dor dos dou drd dre drk drl drn dro drr drs dru dsd dse dsk dsl dsn dso dsr dss dsu dud due duk dul dun duo dur dus ed- edd ede edk edl edn edo edr eds edu eed eee eek eel een eeo eer ees ekd eke ekl eko ekr eks eku eld ele elk ell eln elo elr els elu en- end ene enk enl enn eno enr ens enu eo- eod eoe eok eol eon eoo eor eos eou erd ere erk erl ern ero err ers eru es- esd ese esk esl esn eso esr ess esu eu- eud eue eul eun eur eus kde kdk kdl kdo kdr kds kdu ke- ked kee kek kel ken keo ker kes kke kkk kkl kkn kkr kks kku kl- kld klo klr kls klu kn- knd kne knk knl knn kno knr knu kod koe kok kol kon koo kor kos kou krd krk krl krn kro krr krs kru ksd kse ksk ksl ksn kso ksr kss ksu kud kue kuk kul kun kur kus kuu ldd lde ldk ldl ldn ldo ldr lds ldu led lee lek lel len leo ler les leu lkl lkr lks lld lle llk lll lln llo llr lls llu lnd lne lnk lnl lnn lno lnr lns lnu lod loe lok lol lon loo lor los lou lrd lrk lrn lro lrr lrs lru lsd lse lsk lsl lsn lso lsr lss lsu lud lue luk lul lun luo lur lus luu ndd nde ndk ndl ndn ndo ndr nds ndu ne- ned nee nek nel nen neo ner nes neu nke nkk nkn nko nkr nks nku nld nle nlk nll nln nlo nlr nls nlu nne nnk nnl nnn nno nns nnu no- nod noe nok nol non noo nor nos nou nrd nre nrk nrl nrn nro nrr nrs nru nsd nse nsk nsl nsn nso nsr nss nsu nud nue nuk nul nun nuo nur nus nuu odd ode odl odn odo odr ods odu oed oee oel oen oeo oer oes okd oke okk okl oko okr oks oku old ole olk oll oln olo ols olu on- ond one onk onl onn ono onr ons onu oo- ood ook ool oon ooo oor oos or- ord ore ork orl orn oro orr ors oru os- osd ose osk osl osn oso osr oss osu ou- oud oue ouk oul oun ouo our ous rdd rde rdl rdn rdo rdr rds rdu re- red ree rek rel ren reo rer res reu rke rkk rko rks rku rld rle rll rln rlo rlr rls rlu rnd rnn rno rnr rns rnu rod roe rok rol ron roo ror ros rou rrd rrk rrl rrn rrr rrs rru rsd rse rsk rsl rsn rso rsr rss rsu rud rue ruk run ruo rur rus ruu sdd sde sdk sdl sdn sdo sdr sds sdu se- sed see sek sel sen seo ser ses seu sk- skd ske skk skl sko skr sks sku sld sle slk sll sln slo slr sls slu snd sne snk snl snn sno snr sns snu sod soe sok sol son soo sor sos sou sr- srd sre srk srl srn sro srr srs ss- ssd sse ssk ssl ssn sso ssr sss ssu sud sue suk sul sun suo sur sus suu udd ude udk udl udn udo udr uds udu ued uee uel uen uer ues uke ukk ukl ukn ukr uku uld ule ulk ull uln ulo ulr uls ulu un- und une unk unl unn uno unr uns unu uod uoe uok uol uon uoo uor uos ur- urd ure urk url urn uro urr urs uru usd use usk usl usn uso usr uss usu uue uun uur uus uuu