-er -ol ddd dde ddg ddk ddl ddo ddr dds ddu de- ded dee deg dek del deo der des deu dgd dge dgg dgk dgl dgr dgs dgu dke dkg dkk dkl dko dkr dks dku dl- dld dle dlg dlk dll dlo dlr dls dlu dod doe dog dok dol doo dor dos dou drd dre drg drk drl dro drr drs dru dsd dse dsg dsk dsl dso dsr dss dsu dud due dug duk dul duo dur dus ed- edd ede edg edk edl edo edr eds edu eed eee eeg eek eel eeo eer ees egd ege egg egl ego egr egs egu ekd eke ekg ekl eko ekr eks eku eld ele elg elk ell elo elr els elu eo- eod eoe eog eok eol eoo eor eos eou erd ere erg erk erl ero err ers eru es- esd ese esg esk esl eso esr ess esu eu- eud eue eug eul eur eus g-d gdd gde gdk gdl gdo gdr gds gdu ge- ged gee geg gek gel geo ger ges geu ggd ggg ggo ggr ggs ggu gkd gko gks gld gle glg glk gll glo glr gls glu god goe gog gok gol goo gor gos gou grd gre grg grk grl gro grr grs gru gsd gse gsg gsk gsl gso gsr gss gsu gu- gud gue gug guk gul guo gur gus guu kde kdg kdk kdl kdo kdr kds kdu ke- ked kee keg kek kel keo ker kes kgd kgl kgo kgs kgu kke kkk kkl kkr kks kku kl- kld klg klo klr kls klu kod koe kog kok kol koo kor kos kou krd krg krk krl kro krr krs kru ksd kse ksg ksk ksl kso ksr kss ksu kud kue kug kuk kul kur kus kuu ldd lde ldg ldk ldl ldo ldr lds ldu led lee leg lek lel leo ler les leu lgd lge lgg lgk lgl lgo lgr lgs lgu lkg lkl lkr lks lld lle llg llk lll llo llr lls llu lod loe log lok lol loo lor los lou lrd lrg lrk lro lrr lrs lru lsd lse lsg lsk lsl lso lsr lss lsu lud lue lug luk lul luo lur lus luu odd ode odg odl odo odr ods odu oed oee oeg oel oeo oer oes ogd oge ogg ogl ogo ogs okd oke okg okk okl oko okr oks oku old ole olg olk oll olo ols olu oo- ood oog ook ool ooo oor oos or- ord ore org ork orl oro orr ors oru os- osd ose osg osk osl oso osr oss osu ou- oud oue ouk oul ouo our ous rdd rde rdg rdl rdo rdr rds rdu re- red ree reg rek rel reo rer res reu rgd rge rgg rgk rgo rgr rgs rke rkg rkk rko rks rku rld rle rlg rll rlo rlr rls rlu rod roe rog rok rol roo ror ros rou rrd rrg rrk rrl rrr rrs rru rsd rse rsg rsk rsl rso rsr rss rsu rud rue rug ruk ruo rur rus ruu sdd sde sdg sdk sdl sdo sdr sds sdu se- sed see seg sek sel seo ser ses seu sgd sge sgg sgk sgl sgo sgr sgs sgu sk- skd ske skg skk skl sko skr sks sku sld sle slg slk sll slo slr sls slu sod soe sog sok sol soo sor sos sou sr- srd sre srg srk srl sro srr srs ss- ssd sse ssg ssk ssl sso ssr sss ssu sud sue sug suk sul suo sur sus suu udd ude udg udk udl udo udr uds udu ued uee ueg uel uer ues uge ugg ugk ugl ugo ugr ugs ugu uke ukk ukl ukr uku uld ule ulg ulk ull ulo ulr uls ulu uod uoe uog uok uol uoo uor uos ur- urd ure urg urk url uro urr urs uru usd use usg usk usl uso usr uss usu uue uug uur uus uuu