-er -th c-- ccc ccd cce ccg cch cck cco ccr ccs cct cdc cdd cde cdg cdh cdk cdo cdr cds cdt ce- cec ced cee ceg ceh cek ceo cer ces cet cgc cgd cge cgg cgh cgo cgr cgs cgt ch- chc chd che chg chh chk cho chr chs cht ckc ckd ckh cko cks ckt co- coc cod coe cog coh cok coo cor cos cot crc crd cre crg crh crk cro crr crs crt csc csd cse csg csh csk cso csr css cst ctc ctd cte ctg cth ctk cto ctr cts ctt dcc dcd dce dcg dck dco dcr dcs dct ddc ddd dde ddg ddh ddk ddo ddr dds ddt de- dec ded dee deg deh dek deo der des det dgc dgd dge dgg dgh dgk dgr dgs dgt dh- dhc dhd dhe dhh dhk dho dhr dhs dht dkc dke dkg dkk dko dkr dks dkt doc dod doe dog doh dok doo dor dos dot drc drd dre drg drk dro drr drs drt dsc dsd dse dsg dsh dsk dso dsr dss dst dtc dtd dte dtg dth dtk dto dtr dts dtt ec- ecc ecd ece ecg ech eck eco ecr ecs ect ed- edc edd ede edg edh edk edo edr eds edt eec eed eee eeg eek eeo eer ees eet egc egd ege egg egh ego egr egs egt ehc ehd ehe ehg ehh eho ehr ehs eht ekc ekd eke ekg ekh eko ekr eks ekt eo- eoc eod eoe eog eoh eok eoo eor eos eot erc erd ere erg erh erk ero err ers ert es- esc esd ese esg esh esk eso esr ess est etc etd ete etg eth etk eto etr ets ett g-d gcc gcd gce gcg gch gck gco gcr gcs gct gdc gdd gde gdh gdk gdo gdr gds gdt ge- gec ged gee geg geh gek geo ger ges get ggc ggd ggg ggh ggo ggr ggs ggt ghc ghd ghe ghg ghh gho ghr ghs ght gkd gkh gko gks gkt goc god goe gog goh gok goo gor gos got grc grd gre grg grh grk gro grr grs grt gsc gsd gse gsg gsk gso gsr gss gst gtc gtd gte gtg gth gtk gto gtr gts gtt hcc hcd hce hcg hch hck hco hcr hcs hct hdc hdd hde hdg hdh hdk hdo hdr hds hdt he- hec hed hee heg heh hek heo her hes het hgc hge hgg hgh hgk hgo hgr hgs hgt hhc hhd hhe hhg hhh hhk hho hhr hhs hht hkd hkg hkh hkk hko hkr hks hkt hoc hod hoe hog hoh hok hoo hor hos hot hr- hrc hrd hre hrg hrh hrk hro hrr hrs hrt hsc hsd hse hsg hsh hsk hsr hss hst htc htd hte htg hth htk hto htr hts htt k-t kcc kcd kce kcg kch kck kcr kcs kct kdc kde kdg kdh kdk kdo kdr kds kdt ke- kec ked kee keg keh kek keo ker kes ket kgc kgd kgh kgo kgs khe khh khk kho khr khs kkc kke kkh kkk kkr kks kkt koc kod koe kog koh kok koo kor kos kot krc krd krg krk kro krr krs krt ksc ksd kse ksg ksh ksk kso ksr kss kst ktc kte ktg kth ktk kto ktr kts ktt oc- occ ocd ocg och ock oco ocr ocs oct odc odd ode odg odh odo odr ods odt oec oed oee oeg oeh oeo oer oes oet ogc ogd oge ogg ogh ogo ogs ogt ohc ohd ohe ohg ohh oho ohr ohs oht okc okd oke okg okk oko okr oks oo- ooc ood oog ooh ook ooo oor oos oot or- orc ord ore org orh ork oro orr ors ort os- osc osd ose osg osh osk oso osr oss ost ot- otc otd ote otg oth otk oto otr ots ott rcc rcd rce rcg rch rco rcr rcs rct rdc rdd rde rdg rdh rdo rdr rds rdt re- rec red ree reg reh rek reo rer res ret rgc rgd rge rgg rgh rgk rgo rgr rgs rgt rh- rhc rhd rhe rhg rhh rho rhr rhs rht rkc rke rkg rkk rko rks rkt roc rod roe rog roh rok roo ror ros rot rrc rrd rrg rrh rrk rrr rrs rrt rsc rsd rse rsg rsh rsk rso rsr rss rst rtc rtd rte rtg rtk rto rtr rts rtt scc scd sce scg sch sck sco scr scs sct sdc sdd sde sdg sdh sdk sdo sdr sds sdt se- sec sed see seg seh sek seo ser ses set sgc sgd sge sgg sgh sgk sgo sgr sgs sgt sh- shc shd she shg shh shk sho shr shs sht sk- skc skd ske skg skh skk sko skr sks skt soc sod soe sog soh sok soo sor sos sot sr- src srd sre srg srh srk sro srr srs srt ss- ssc ssd sse ssg ssh ssk sso ssr sss sst stc std ste stg sth stk sto str sts stt tcc tcd tce tcg tch tck tco tcr tcs tct tdc tdd tde tdg tdh tdk tdo tdr tds tdt te- tec ted tee teg teh tek teo ter tes tet tgc tge tgg tgh tgk tgo tgr tgs tgt th- thc thd the thg thh thk tho thr ths tht tkc tke tkg tkk tko tkr tks tkt to- toc tod toe tog toh tok too tor tos tot trc trd tre trg trh trk tro trr trs trt tsc tsd tse tsg tsh tsk tso tsr tss tst ttc ttd tte ttg tth ttk tto ttr tts ttt