-er -ic -ol c-- ccc cce cch cci ccl cco ccr ccs ce- cec cee ceh cei cel ceo cer ces ch- chc che chh chi chl cho chr chs ci- cic cie cih cii cil cio cir cis cl- clc cle clh cli cll clo clr cls co- coc coe coh coi col coo cor cos crc cre crh cri crl cro crr crs csc cse csh csi csl cso csr css ec- ecc ece ech eci ecl eco ecr ecs eec eee eel eeo eer ees ehc ehe ehh ehi ehl eho ehr ehs eic eie eii eil eio eir eis elc ele elh eli ell elo elr els eo- eoc eoe eoh eoi eol eoo eor eos erc ere erh eri erl ero err ers es- esc ese esh esi esl eso esr ess h-i hcc hce hch hci hcl hco hcr hcs he- hec hee heh hei hel heo her hes hhc hhe hhh hhi hhl hho hhr hhs hic hie hih hii hil hio hir his hlc hle hlh hli hll hlo hlr hls hoc hoe hoh hoi hol hoo hor hos hr- hrc hre hrh hri hrl hro hrr hrs hsc hse hsh hsi hsl hsr hss icc ice ich ici icl ico icr ics ie- iec iee iei iel ier ies ihc ihe ihh ihi ihl iho ihr ihs iic iie iih iii iil iio iir iis il- ilc ile ilh ili ill ilo ilr ils io- ioc ioe ioh ioi iol ioo ior ios ir- irc ire iri irl iro irr irs is- isc ise ish isi isl iso isr iss lcc lce lch lci lcl lco lcr lcs lec lee leh lei lel leo ler les lhc lhh lhi lho lhr lhs lic lie lih lii lil lio lir lis llc lle lli lll llo llr lls loc loe loh loi lol loo lor los lrc lrh lri lro lrr lrs lsc lse lsh lsi lsl lso lsr lss o-i oc- occ och oci ocl oco ocr ocs oec oee oeh oei oel oeo oer oes ohc ohe ohh ohi ohl oho ohr ohs oic oie oii oil oio oir ois olc ole oli oll olo ols oo- ooc ooh ooi ool ooo oor oos or- orc ore orh ori orl oro orr ors os- osc ose osh osi osl oso osr oss rcc rce rch rci rcl rco rcr rcs re- rec ree reh rei rel reo rer res rh- rhc rhe rhh rhi rhl rho rhr rhs ric rie rih rii ril rio rir ris rlc rle rlh rli rll rlo rlr rls roc roe roh roi rol roo ror ros rrc rrh rri rrl rrr rrs rsc rse rsh rsi rsl rso rsr rss scc sce sch sci scl sco scr scs se- sec see seh sei sel seo ser ses sh- shc she shh shi shl sho shr shs sic sie sih sii sil sio sir sis slc sle slh sli sll slo slr sls soc soe soh soi sol soo sor sos sr- src sre srh sri srl sro srr srs ss- ssc sse ssh ssi ssl sso ssr sss