-er -ol c-- ccc ccd cce ccg cck ccl cco ccr ccs cct ccu cdc cdd cde cdg cdk cdl cdo cdr cds cdt cdu ce- cec ced cee ceg cek cel ceo cer ces cet ceu cgc cgd cge cgg cgl cgo cgr cgs cgt cgu ckc ckd cko cks ckt cl- clc cld cle clg clk cll clo clr cls clt clu co- coc cod coe cog cok col coo cor cos cot cou crc crd cre crg crk crl cro crr crs crt cru csc csd cse csg csk csl cso csr css cst csu ctc ctd cte ctg ctk ctl cto ctr cts ctt ctu cuc cud cue cug cuk cul cuo cur cus cut cuu dcc dcd dce dcg dck dcl dco dcr dcs dct dcu ddc ddd dde ddg ddk ddl ddo ddr dds ddt ddu de- dec ded dee deg dek del deo der des det deu dgc dgd dge dgg dgk dgl dgr dgs dgt dgu dkc dke dkg dkk dkl dko dkr dks dkt dku dl- dlc dld dle dlg dlk dll dlo dlr dls dlt dlu doc dod doe dog dok dol doo dor dos dot dou drc drd dre drg drk drl dro drr drs drt dru dsc dsd dse dsg dsk dsl dso dsr dss dst dsu dtc dtd dte dtg dtk dtl dto dtr dts dtt dtu duc dud due dug duk dul duo dur dus dut ec- ecc ecd ece ecg eck ecl eco ecr ecs ect ecu ed- edc edd ede edg edk edl edo edr eds edt edu eec eed eee eeg eek eel eeo eer ees eet egc egd ege egg egl ego egr egs egt egu ekc ekd eke ekg ekl eko ekr eks ekt eku elc eld ele elg elk ell elo elr els elt elu eo- eoc eod eoe eog eok eol eoo eor eos eot eou erc erd ere erg erk erl ero err ers ert eru es- esc esd ese esg esk esl eso esr ess est esu etc etd ete etg etk etl eto etr ets ett etu eu- euc eud eue eug eul eur eus eut g-d gcc gcd gce gcg gck gcl gco gcr gcs gct gcu gdc gdd gde gdk gdl gdo gdr gds gdt gdu ge- gec ged gee geg gek gel geo ger ges get geu ggc ggd ggg ggo ggr ggs ggt ggu gkd gko gks gkt glc gld gle glg glk gll glo glr gls glt glu goc god goe gog gok gol goo gor gos got gou grc grd gre grg grk grl gro grr grs grt gru gsc gsd gse gsg gsk gsl gso gsr gss gst gsu gtc gtd gte gtg gtk gtl gto gtr gts gtt gtu gu- guc gud gue gug guk gul guo gur gus gut guu k-t kcc kcd kce kcg kck kcl kcr kcs kct kcu kdc kde kdg kdk kdl kdo kdr kds kdt kdu ke- kec ked kee keg kek kel keo ker kes ket kgc kgd kgl kgo kgs kgu kkc kke kkk kkl kkr kks kkt kku kl- klc kld klg klo klr kls klt klu koc kod koe kog kok kol koo kor kos kot kou krc krd krg krk krl kro krr krs krt kru ksc ksd kse ksg ksk ksl kso ksr kss kst ksu ktc kte ktg ktk ktl kto ktr kts ktt ktu kuc kud kue kug kuk kul kur kus kut kuu lcc lcd lce lcg lck lcl lco lcr lcs lct lcu ldc ldd lde ldg ldk ldl ldo ldr lds ldt ldu lec led lee leg lek lel leo ler les let leu lgc lgd lge lgg lgk lgl lgo lgr lgs lgt lgu lkg lkl lkr lks lkt llc lld lle llg llk lll llo llr lls llt llu loc lod loe log lok lol loo lor los lot lou lrc lrd lrg lrk lro lrr lrs lrt lru lsc lsd lse lsg lsk lsl lso lsr lss lst lsu ltc ltd lte ltg ltk ltl lto ltr lts ltt ltu luc lud lue lug luk lul luo lur lus lut luu oc- occ ocd ocg ock ocl oco ocr ocs oct ocu odc odd ode odg odl odo odr ods odt odu oec oed oee oeg oel oeo oer oes oet ogc ogd oge ogg ogl ogo ogs ogt okc okd oke okg okk okl oko okr oks oku olc old ole olg olk oll olo ols olt olu oo- ooc ood oog ook ool ooo oor oos oot or- orc ord ore org ork orl oro orr ors ort oru os- osc osd ose osg osk osl oso osr oss ost osu ot- otc otd ote otg otk otl oto otr ots ott otu ou- ouc oud oue ouk oul ouo our ous out rcc rcd rce rcg rcl rco rcr rcs rct rcu rdc rdd rde rdg rdl rdo rdr rds rdt rdu re- rec red ree reg rek rel reo rer res ret reu rgc rgd rge rgg rgk rgo rgr rgs rgt rkc rke rkg rkk rko rks rkt rku rlc rld rle rlg rll rlo rlr rls rlt rlu roc rod roe rog rok rol roo ror ros rot rou rrc rrd rrg rrk rrl rrr rrs rrt rru rsc rsd rse rsg rsk rsl rso rsr rss rst rsu rtc rtd rte rtg rtk rtl rto rtr rts rtt rtu ruc rud rue rug ruk ruo rur rus rut ruu scc scd sce scg sck scl sco scr scs sct scu sdc sdd sde sdg sdk sdl sdo sdr sds sdt sdu se- sec sed see seg sek sel seo ser ses set seu sgc sgd sge sgg sgk sgl sgo sgr sgs sgt sgu sk- skc skd ske skg skk skl sko skr sks skt sku slc sld sle slg slk sll slo slr sls slt slu soc sod soe sog sok sol soo sor sos sot sou sr- src srd