-er -ol c-- ccc ccd cce ccg ccl ccn cco ccr ccu cdc cdd cde cdg cdl cdn cdo cdr cdu ce- cec ced cee ceg cel cen ceo cer ceu cgc cgd cge cgg cgl cgn cgo cgr cgu cl- clc cld cle clg cll cln clo clr clu cn- cnc cnd cne cng cnl cnn cno cnr cnu co- coc cod coe cog col con coo cor cou crc crd cre crg crl crn cro crr cru cuc cud cue cug cul cun cuo cur cuu dcc dcd dce dcg dcl dcn dco dcr dcu ddc ddd dde ddg ddl ddn ddo ddr ddu de- dec ded dee deg del den deo der deu dgc dgd dge dgg dgl dgn dgr dgu dl- dlc dld dle dlg dll dlo dlr dlu dnc dnd dne dng dnl dnn dno dnr doc dod doe dog dol don doo dor dou drc drd dre drg drl drn dro drr dru duc dud due dug dul dun duo dur ec- ecc ecd ece ecg ecl ecn eco ecr ecu ed- edc edd ede edg edl edn edo edr edu eec eed eee eeg eel een eeo eer egc egd ege egg egl egn ego egr egu elc eld ele elg ell eln elo elr elu en- enc end ene eng enl enn eno enr enu eo- eoc eod eoe eog eol eon eoo eor eou erc erd ere erg erl ern ero err eru eu- euc eud eue eug eul eun eur g-d gcc gcd gce gcg gcl gcn gco gcr gcu gdc gdd gde gdl gdn gdo gdr gdu ge- gec ged gee geg gel gen geo ger geu ggc ggd ggg ggn ggo ggr ggu glc gld gle glg gll gln glo glr glu gnc gnd gne gnl gnn gno gnr gnu goc god goe gog gol gon goo gor gou grc grd gre grg grl grn gro grr gru gu- guc gud gue gug gul gun guo gur guu lcc lcd lce lcg lcl lcn lco lcr lcu ldc ldd lde ldg ldl ldn ldo ldr ldu lec led lee leg lel len leo ler leu lgc lgd lge lgg lgl lgn lgo lgr lgu llc lld lle llg lll lln llo llr llu lnc lnd lne lng lnl lnn lno lnr lnu loc lod loe log lol lon loo lor lou lrc lrd lrg lrn lro lrr lru luc lud lue lug lul lun luo lur luu ncc ncd nce ncg ncl ncn nco ncr ncu ndc ndd nde ndg ndl ndn ndo ndr ndu ne- nec ned nee neg nel nen neo ner neu ngc ngd nge ngg ngl ngn ngo ngu nlc nld nle nlg nll nln nlo nlr nlu nnc nne nng nnl nnn nno nnu no- noc nod noe nog nol non noo nor nou nrc nrd nre nrg nrl nrn nro nrr nru nuc nud nue nug nul nun nuo nur nuu oc- occ ocd ocg ocl ocn oco ocr ocu odc odd ode odg odl odn odo odr odu oec oed oee oeg oel oen oeo oer ogc ogd oge ogg ogl ogn ogo olc old ole olg oll oln olo olu on- onc ond one ong onl onn ono onr onu oo- ooc ood oog ool oon ooo oor or- orc ord ore org orl orn oro orr oru ou- ouc oud oue oul oun ouo our rcc rcd rce rcg rcl rcn rco rcr rcu rdc rdd rde rdg rdl rdn rdo rdr rdu re- rec red ree reg rel ren reo rer reu rgc rgd rge rgg rgn rgo rgr rlc rld rle rlg rll rln rlo rlr rlu rnc rnd rng rnn rno rnr rnu roc rod roe rog rol ron roo ror rou rrc rrd rrg rrl rrn rrr rru ruc rud rue rug run ruo rur ruu ucc ucd uce ucg ucl ucn uco ucr ucu udc udd ude udg udl udn udo udr udu uec ued uee ueg uel uen uer ugc uge ugg ugl ugn ugo ugr ugu ulc uld ule ulg ull uln ulo ulr ulu un- unc und une ung unl unn uno unr unu uoc uod uoe uog uol uon uoo uor ur- urc urd ure urg url urn uro urr uru uuc uue uug uun uur uuu