-er -ic c-- ccc cce ccg cch cci cco ccr ccs ce- cec cee ceg ceh cei ceo cer ces cgc cge cgg cgh cgi cgo cgr cgs ch- chc che chg chh chi cho chr chs ci- cic cie cig cih cii cio cir cis co- coc coe cog coh coi coo cor cos crc cre crg crh cri cro crr crs csc cse csg csh csi cso csr css ec- ecc ece ecg ech eci eco ecr ecs eec eee eeg eeo eer ees egc ege egg egh egi ego egr egs ehc ehe ehg ehh ehi eho ehr ehs eic eie eig eii eio eir eis eo- eoc eoe eog eoh eoi eoo eor eos erc ere erg erh eri ero err ers es- esc ese esg esh esi eso esr ess gcc gce gcg gch gci gco gcr gcs ge- gec gee geg geh gei geo ger ges ggc ggg ggh ggi ggo ggr ggs ghc ghe ghg ghh ghi gho ghr ghs gic gie gig gih gii gio gir gis goc goe gog goh goi goo gor gos grc gre grg grh gri gro grr grs gsc gse gsg gsi gso gsr gss h-i hcc hce hcg hch hci hco hcr hcs he- hec hee heg heh hei heo her hes hgc hge hgg hgh hgi hgo hgr hgs hhc hhe hhg hhh hhi hho hhr hhs hic hie hig hih hii hio hir his hoc hoe hog hoh hoi hoo hor hos hr- hrc hre hrg hrh hri hro hrr hrs hsc hse hsg hsh hsi hsr hss icc ice icg ich ici ico icr ics ie- iec iee ieg iei ier ies igc ige igg igh igi igo igr igs ihc ihe ihg ihh ihi iho ihr ihs iic iie iih iii iio iir iis io- ioc ioe iog ioh ioi ioo ior ios ir- irc ire irg iri iro irr irs is- isc ise isg ish isi iso isr iss o-i oc- occ ocg och oci oco ocr ocs oec oee oeg oeh oei oeo oer oes ogc oge ogg ogh ogi ogo ogs ohc ohe ohg ohh ohi oho ohr ohs oic oie oii oio oir ois oo- ooc oog ooh ooi ooo oor oos or- orc ore org orh ori oro orr ors os- osc ose osg osh osi oso osr oss rcc rce rcg rch rci rco rcr rcs re- rec ree reg reh rei reo rer res rgc rge rgg rgh rgi rgo rgr rgs rh- rhc rhe rhg rhh rhi rho rhr rhs ric rie rig rih rii rio rir ris roc roe rog roh roi roo ror ros rrc rrg rrh rri rrr rrs rsc rse rsg rsh rsi rso rsr rss scc sce scg sch sci sco scr scs se- sec see seg seh sei seo ser ses sgc sge sgg sgh sgi sgo sgr sgs sh- shc she shg shh shi sho shr shs sic sie sig sih sii sio sir sis soc soe sog soh soi soo sor sos sr- src sre srg srh sri sro srr srs ss- ssc sse ssg ssh ssi sso ssr sss