-er -ic a-a a-c a-i aaa aac aae aag aah aai aap aar aas ac- aca acc ace acg ach aci acp acr acs aea aec aee aeg aeh aei aep aer aes ag- aga agc age agg agh agi agp agr ags aha ahc ahe ahg ahh ahi ahp ahr ahs ai- aia aic aie aig aih aii aip air ais ap- apa apc ape apg aph api app apr aps ar- ara arc are arg arh ari arp arr ars as- asa asc ase asg ash asi asp asr ass c-- caa cac cae cag cah cai cap car cas cca ccc cce ccg cch cci ccp ccr ccs ce- cea cec cee ceg ceh cei cep cer ces cga cgc cge cgg cgh cgi cgp cgr cgs ch- cha chc che chg chh chi chp chr chs ci- cia cic cie cig cih cii cip cir cis cpa cpc cpe cpg cph cpi cpp cpr cps cra crc cre crg crh cri crp crr crs csa csc cse csg csh csi csp csr css eaa eac eae eag eah eai eap ear eas ec- eca ecc ece ecg ech eci ecr ecs eea eec eee eeg eep eer ees ega egc ege egg egh egi egp egr egs eha ehc ehe ehg ehh ehi ehp ehr ehs eia eic eie eig eii eip eir eis ep- epa epc epe epg eph epi epp epr eps era erc ere erg erh eri erp err ers es- esa esc ese esg esh esi esp esr ess g-p gaa gac gae gag gah gai gap gar gas gca gcc gce gcg gch gci gcp gcr gcs ge- gea gec gee geg geh gei gep ger ges gga ggc ggg ggh ggi ggp ggr ggs gha ghc ghe ghg ghh ghi ghp ghr ghs gia gic gie gig gih gii gip gir gis gpa gpc gpe gpg gph gpi gpp gpr gps gra grc gre grg grh gri grp grr grs gsa gsc gse gsg gsi gsp gsr gss h-i haa hac hae hag hah hai hap har has hca hcc hce hcg hch hci hcp hcr hcs he- hea hec hee heg heh hei hep her hes hga hgc hge hgg hgh hgi hgp hgr hgs hha hhc hhe hhg hhh hhi hhp hhr hhs hia hic hie hig hih hii hip hir his hpa hpc hpe hpg hph hpi hpp hpr hps hr- hra hrc hre hrg hrh hri hrp hrr hrs hsa hsc hse hsg hsh hsi hsp hsr hss ia- iaa iac iae iag iah iai iap iar ias ica icc ice icg ich ici icp icr ics ie- iea iec iee ieg iei iep ier ies iga igc ige igg igh igi igp igr igs iha ihc ihe ihg ihh ihi ihp ihr ihs iia iic iie iih iii iip iir iis ipa ipc ipe ipg ipi ipp ipr ips ir- ira irc ire irg iri irp irr irs is- isa isc ise isg ish isi isp isr iss p-p paa pac pae pag pah pai pap par pas pca pcc pce pcg pch pci pcp pcr pcs pea pec pee peg peh pei pep per pes pga pgc pge pgg pgh pgi pgp pgr pgs pha phc phe phg phi php phr phs pia pic pie pig pih pii pip pir pis ppa ppc ppe ppg pph ppi ppp ppr pps pra prc pre prg prh pri prp prr prs ps- psa psc pse psg psh psi psp psr pss ra- raa rac rae rag rah rai rap rar ras rca rcc rce rcg rch rci rcp rcr rcs re- rea rec ree reg reh rei rep rer res rga rgc rge rgg rgh rgi rgp rgr rgs rh- rha rhc rhe rhg rhh rhi rhp rhr rhs ria ric rie rig rih rii rip rir ris rpa rpc rpe rpg rph rpi rpp rpr rps rra rrc rrg rrh rri rrp rrr rrs rsa rsc rse rsg rsh rsi rsp rsr rss saa sac sae sag sah sai sap sar sas sca scc sce scg sch sci scp scr scs se- sea sec see seg seh sei sep ser ses sga sgc sge sgg sgh sgi sgp sgr sgs sh- sha shc she shg shh shi shp shr shs sia sic sie sig sih sii sip sir sis spa spc spe spg sph spi spp spr sps sr- sra src sre srg srh sri srp srr srs ss- ssa ssc sse ssg ssh ssi ssp ssr sss