-er -ol c-- ccc cce ccg ccl cco ccr ccs cct ccu ce- cec cee ceg cel ceo cer ces cet ceu cgc cge cgg cgl cgo cgr cgs cgt cgu cl- clc cle clg cll clo clr cls clt clu co- coc coe cog col coo cor cos cot cou crc cre crg crl cro crr crs crt cru csc cse csg csl cso csr css cst csu ctc cte ctg ctl cto ctr cts ctt ctu cuc cue cug cul cuo cur cus cut cuu ec- ecc ece ecg ecl eco ecr ecs ect ecu eec eee eeg eel eeo eer ees eet egc ege egg egl ego egr egs egt egu elc ele elg ell elo elr els elt elu eo- eoc eoe eog eol eoo eor eos eot eou erc ere erg erl ero err ers ert eru es- esc ese esg esl eso esr ess est esu etc ete etg etl eto etr ets ett etu eu- euc eue eug eul eur eus eut gcc gce gcg gcl gco gcr gcs gct gcu ge- gec gee geg gel geo ger ges get geu ggc ggg ggo ggr ggs ggt ggu glc gle glg gll glo glr gls glt glu goc goe gog gol goo gor gos got gou grc gre grg grl gro grr grs grt gru gsc gse gsg gsl gso gsr gss gst gsu gtc gte gtg gtl gto gtr gts gtt gtu gu- guc gue gug gul guo gur gus gut guu lcc lce lcg lcl lco lcr lcs lct lcu lec lee leg lel leo ler les let leu lgc lge lgg lgl lgo lgr lgs lgt lgu llc lle llg lll llo llr lls llt llu loc loe log lol loo lor los lot lou lrc lrg lro lrr lrs lrt lru lsc lse lsg lsl lso lsr lss lst lsu ltc lte ltg ltl lto ltr lts ltt ltu luc lue lug lul luo lur lus lut luu oc- occ ocg ocl oco ocr ocs oct ocu oec oee oeg oel oeo oer oes oet ogc oge ogg ogl ogo ogs ogt olc ole olg oll olo ols olt olu oo- ooc oog ool ooo oor oos oot or- orc ore org orl oro orr ors ort oru os- osc ose osg osl oso osr oss ost osu ot- otc ote otg otl oto otr ots ott otu ou- ouc oue oul ouo our ous out rcc rce rcg rcl rco rcr rcs rct rcu re- rec ree reg rel reo rer res ret reu rgc rge rgg rgo rgr rgs rgt rlc rle rlg rll rlo rlr rls rlt rlu roc roe rog rol roo ror ros rot rou rrc rrg rrl rrr rrs rrt rru rsc rse rsg rsl rso rsr rss rst rsu rtc rte rtg rtl rto rtr rts rtt rtu ruc rue rug ruo rur rus rut ruu scc sce scg scl sco scr scs sct scu se- sec see seg sel seo ser ses set seu sgc sge sgg sgl sgo sgr sgs sgt sgu slc sle slg sll slo slr sls slt slu soc soe sog sol soo sor sos sot sou sr- src sre srg srl sro srr srs srt ss- ssc sse ssg ssl sso ssr sss sst ssu stc ste stg stl sto str sts stt stu suc sue sug sul suo sur sus sut suu tcc tce tcg tcl tco tcr tcs tct tcu te- tec tee teg tel teo ter tes tet teu tgc tge tgg tgl tgo tgr tgs tgt tgu tlc tle tlg tll tlo tlr tls tlt tlu to- toc toe tog tol too tor tos tot tou trc tre trg trl tro trr trs trt tru tsc tse tsg tsl tso tsr tss tst tsu ttc tte ttg ttl tto ttr tts ttt ttu tuc tue tug tul tuo tur tus tut tuu ucc uce ucg ucl uco ucr ucs uct ucu uec uee ueg uel uer ues uet ugc uge ugg ugl ugo ugr ugs ugt ugu ulc ule ulg ull ulo ulr uls ult ulu uoc uoe uog uol uoo uor uos uot ur- urc ure urg url uro urr urs urt uru usc use usg usl uso usr uss ust usu utc ute utl uto utr uts utt utu uuc uue uug uur uus uut uuu