-er -ic a-a a-c a-i aaa aac aae aah aai aak aap aar aas ac- aca acc ace ach aci ack acp acr acs aea aec aee aeh aei aek aep aer aes aha ahc ahe ahh ahi ahk ahp ahr ahs ai- aia aic aie aih aii aik aip air ais aka akc ake akh aki akk akp akr aks ap- apa apc ape aph api apk app apr aps ar- ara arc are arh ari ark arp arr ars as- asa asc ase ash asi ask asp asr ass c-- caa cac cae cah cai cak cap car cas cca ccc cce cch cci cck ccp ccr ccs ce- cea cec cee ceh cei cek cep cer ces ch- cha chc che chh chi chk chp chr chs ci- cia cic cie cih cii cik cip cir cis cka ckc ckh cki cks cpa cpc cpe cph cpi cpk cpp cpr cps cra crc cre crh cri crk crp crr crs csa csc cse csh csi csk csp csr css eaa eac eae eah eai eak eap ear eas ec- eca ecc ece ech eci eck ecr ecs eea eec eee eek eep eer ees eha ehc ehe ehh ehi ehp ehr ehs eia eic eie eii eik eip eir eis eka ekc eke ekh eki ekp ekr eks ep- epa epc epe eph epi epp epr eps era erc ere erh eri erk erp err ers es- esa esc ese esh esi esk esp esr ess h-i haa hac hae hah hai hak hap har has hca hcc hce hch hci hck hcp hcr hcs he- hea hec hee heh hei hek hep her hes hha hhc hhe hhh hhi hhk hhp hhr hhs hia hic hie hih hii hik hip hir his hka hkh hki hkk hkp hkr hks hpa hpc hpe hph hpi hpk hpp hpr hps hr- hra hrc hre hrh hri hrk hrp hrr hrs hsa hsc hse hsh hsi hsk hsp hsr hss ia- iaa iac iae iah iai iap iar ias ica icc ice ich ici ick icp icr ics ie- iea iec iee iei iek iep ier ies iha ihc ihe ihh ihi ihk ihp ihr ihs iia iic iie iih iii iip iir iis ika ikc ike iki ikk ikr iks ipa ipc ipe ipi ipp ipr ips ir- ira irc ire iri irk irp irr irs is- isa isc ise ish isi isk isp isr iss ka- kaa kac kae kah kai kak kap kar kas kca kcc kce kch kci kck kcp kcr kcs ke- kea kec kee keh kei kek kep ker kes kha khe khh khi khk khr khs kia kic kie kih kii kik kip kir kis kkc kke kkh kki kkk kkp kkr kks kpa kpc kpe kph kpi kpk kpp kpr kps kra krc kri krk krp krr krs ksa ksc kse ksh ksi ksk ksp ksr kss p-p paa pac pae pah pai pak pap par pas pca pcc pce pch pci pck pcp pcr pcs pea pec pee peh pei pek pep per pes pha phc phe phi phk php phr phs pia pic pie pih pii pik pip pir pis pka pkc pke pki pkp pkr pks ppa ppc ppe pph ppi ppk ppp ppr pps pra prc pre prh pri prk prp prr prs ps- psa psc pse psh psi psk psp psr pss ra- raa rac rae rah rai rak rap rar ras rca rcc rce rch rci rcp rcr rcs re- rea rec ree reh rei rek rep rer res rh- rha rhc rhe rhh rhi rhp rhr rhs ria ric rie rih rii rik rip rir ris rkc rke rkk rkp rks rpa rpc rpe rph rpi rpk rpp rpr rps rra rrc rrh rri rrk rrp rrr rrs rsa rsc rse rsh rsi rsk rsp rsr rss saa sac sae sah sai sak sap sar sas sca scc sce sch sci sck scp scr scs se- sea sec see seh sei sek sep ser ses sh- sha shc she shh shi shk shp shr shs sia sic sie sih sii sik sip sir sis sk- ska skc ske skh ski skk skp skr sks spa spc spe sph spi spk spp spr sps sr- sra src sre srh sri srk srp srr srs ss- ssa ssc sse ssh ssi ssk ssp ssr sss