-er -ic a-a a-c a-i aaa aac aae aah aai aao aar aas ac- aca acc ace ach aci aco acr acs aea aec aee aeh aei aeo aer aes aha ahc ahe ahh ahi aho ahr ahs ai- aia aic aie aih aii aio air ais aoa aoc aoe aoh aoi aoo aor aos ar- ara arc are arh ari aro arr ars as- asa asc ase ash asi aso asr ass c-- caa cac cae cah cai cao car cas cca ccc cce cch cci cco ccr ccs ce- cea cec cee ceh cei ceo cer ces ch- cha chc che chh chi cho chr chs ci- cia cic cie cih cii cio cir cis co- coa coc coe coh coi coo cor cos cra crc cre crh cri cro crr crs csa csc cse csh csi cso csr css eaa eac eae eah eai eao ear eas ec- eca ecc ece ech eci eco ecr ecs eea eec eee eeo eer ees eha ehc ehe ehh ehi eho ehr ehs eia eic eie eii eio eir eis eo- eoa eoc eoe eoh eoi eoo eor eos era erc ere erh eri ero err ers es- esa esc ese esh esi eso esr ess h-i haa hac hae hah hai hao har has hca hcc hce hch hci hco hcr hcs he- hea hec hee heh hei heo her hes hha hhc hhe hhh hhi hho hhr hhs hia hic hie hih hii hio hir his hoa hoc hoe hoh hoi hoo hor hos hr- hra hrc hre hrh hri hro hrr hrs hsa hsc hse hsh hsi hsr hss ia- iaa iac iae iah iai iao iar ias ica icc ice ich ici ico icr ics ie- iea iec iee iei ier ies iha ihc ihe ihh ihi iho ihr ihs iia iic iie iih iii iio iir iis io- ioa ioc ioe ioh ioi ioo ior ios ir- ira irc ire iri iro irr irs is- isa isc ise ish isi iso isr iss o-i oaa oac oae oah oai oao oar oas oc- oca occ och oci oco ocr ocs oea oec oee oeh oei oeo oer oes oha ohc ohe ohh ohi oho ohr ohs oia oic oie oii oio oir ois oo- ooa ooc ooh ooi ooo oor oos or- ora orc ore orh ori oro orr ors os- osa osc ose osh osi oso osr oss ra- raa rac rae rah rai rao rar ras rca rcc rce rch rci rco rcr rcs re- rea rec ree reh rei reo rer res rh- rha rhc rhe rhh rhi rho rhr rhs ria ric rie rih rii rio rir ris roa roc roe roh roi roo ror ros rra rrc rrh rri rrr rrs rsa rsc rse rsh rsi rso rsr rss saa sac sae sah sai sao sar sas sca scc sce sch sci sco scr scs se- sea sec see seh sei seo ser ses sh- sha shc she shh shi sho shr shs sia sic sie sih sii sio sir sis soa soc soe soh soi soo sor sos sr- sra src sre srh sri sro srr srs ss- ssa ssc sse ssh ssi sso ssr sss