-er -ic -th c-- ccc cce ccg cch cci cco ccr ccs cct ce- cec cee ceg ceh cei ceo cer ces cet cgc cge cgg cgh cgi cgo cgr cgs cgt ch- chc che chg chh chi cho chr chs cht ci- cic cie cig cih cii cio cir cis cit co- coc coe cog coh coi coo cor cos cot crc cre crg crh cri cro crr crs crt csc cse csg csh csi cso csr css cst ctc cte ctg cth cti cto ctr cts ctt ec- ecc ece ecg ech eci eco ecr ecs ect eec eee eeg eeo eer ees eet egc ege egg egh egi ego egr egs egt ehc ehe ehg ehh ehi eho ehr ehs eht eic eie eig eii eio eir eis eit eo- eoc eoe eog eoh eoi eoo eor eos eot erc ere erg erh eri ero err ers ert es- esc ese esg esh esi eso esr ess est etc ete etg eth eti eto etr ets ett gcc gce gcg gch gci gco gcr gcs gct ge- gec gee geg geh gei geo ger ges get ggc ggg ggh ggi ggo ggr ggs ggt ghc ghe ghg ghh ghi gho ghr ghs ght gic gie gig gih gii gio gir gis git goc goe gog goh goi goo gor gos got grc gre grg grh gri gro grr grs grt gsc gse gsg gsi gso gsr gss gst gtc gte gtg gth gti gto gtr gts gtt h-i hcc hce hcg hch hci hco hcr hcs hct he- hec hee heg heh hei heo her hes het hgc hge hgg hgh hgi hgo hgr hgs hgt hhc hhe hhg hhh hhi hho hhr hhs hht hic hie hig hih hii hio hir his hit hoc hoe hog hoh hoi hoo hor hos hot hr- hrc hre hrg hrh hri hro hrr hrs hrt hsc hse hsg hsh hsi hsr hss hst htc hte htg hth hti hto htr hts htt icc ice icg ich ici ico icr ics ict ie- iec iee ieg iei ier ies iet igc ige igg igh igi igo igr igs igt ihc ihe ihg ihh ihi iho ihr ihs iht iic iie iih iii iio iir iis iit io- ioc ioe iog ioh ioi ioo ior ios iot ir- irc ire irg iri iro irr irs irt is- isc ise isg ish isi iso isr iss ist itc ite itg ith iti ito its itt o-i oc- occ ocg och oci oco ocr ocs oct oec oee oeg oeh oei oeo oer oes oet ogc oge ogg ogh ogi ogo ogs ogt ohc ohe ohg ohh ohi oho ohr ohs oht oic oie oii oio oir ois oit oo- ooc oog ooh ooi ooo oor oos oot or- orc ore org orh ori oro orr ors ort os- osc ose osg osh osi oso osr oss ost ot- otc ote otg oth oti oto otr ots ott rcc rce rcg rch rci rco rcr rcs rct re- rec ree reg reh rei reo rer res ret rgc rge rgg rgh rgi rgo rgr rgs rgt rh- rhc rhe rhg rhh rhi rho rhr rhs rht ric rie rig rih rii rio rir ris rit roc roe rog roh roi roo ror ros rot rrc rrg rrh rri rrr rrs rrt rsc rse rsg rsh rsi rso rsr rss rst rtc rte rtg rti rto rtr rts rtt scc sce scg sch sci sco scr scs sct se- sec see seg seh sei seo ser ses set sgc sge sgg sgh sgi sgo sgr sgs sgt sh- shc she shg shh shi sho shr shs sht sic sie sig sih sii sio sir sis sit soc soe sog soh soi soo sor sos sot sr- src sre srg srh sri sro srr srs srt ss- ssc sse ssg ssh ssi sso ssr sss sst stc ste stg sth sti sto str sts stt tcc tce tcg tch tci tco tcr tcs tct te- tec tee teg teh tei teo ter tes tet tgc tge tgg tgh tgi tgo tgr tgs tgt th- thc the thg thh thi tho thr ths tht tic tie tig tih tii tio tir tis tit to- toc toe tog toh toi too tor tos tot trc tre trg trh tri tro trr trs trt tsc tse tsg tsh tsi tso tsr tss tst ttc tte ttg tth tti tto ttr tts ttt