-er -ic a-a a-c a-i aaa aac aae aai aak aar aas aau ac- aca acc ace aci ack acr acs acu aea aec aee aei aek aer aes aeu ai- aia aic aie aii aik air ais aiu aka akc ake aki akk akr aks aku ar- ara arc are ari ark arr ars aru as- asa asc ase asi ask asr ass asu au- aua auc aue aui auk aur aus c-- caa cac cae cai cak car cas cau cca ccc cce cci cck ccr ccs ccu ce- cea cec cee cei cek cer ces ceu ci- cia cic cie cii cik cir cis ciu cka ckc cki cks cra crc cre cri crk crr crs cru csa csc cse csi csk csr css csu cua cuc cue cui cuk cur cus cuu eaa eac eae eai eak ear eas eau ec- eca ecc ece eci eck ecr ecs ecu eea eec eee eek eer ees eia eic eie eii eik eir eis eiu eka ekc eke eki ekr eks eku era erc ere eri erk err ers eru es- esa esc ese esi esk esr ess esu eu- eua euc eue eui eur eus ia- iaa iac iae iai iar ias iau ica icc ice ici ick icr ics icu ie- iea iec iee iei iek ier ies iia iic iie iii iir iis iiu ika ikc ike iki ikk ikr iks iku ir- ira irc ire iri irk irr irs iru is- isa isc ise isi isk isr iss isu iu- iua iuc iue iui iur ius ka- kaa kac kae kai kak kar kas kau kca kcc kce kci kck kcr kcs kcu ke- kea kec kee kei kek ker kes kia kic kie kii kik kir kis kiu kkc kke kki kkk kkr kks kku kra krc kri krk krr krs kru ksa ksc kse ksi ksk ksr kss ksu kuc kue kui kuk kur kus kuu ra- raa rac rae rai rak rar ras rau rca rcc rce rci rcr rcs rcu re- rea rec ree rei rek rer res reu ria ric rie rii rik rir ris rkc rke rkk rks rku rra rrc rri rrk rrr rrs rru rsa rsc rse rsi rsk rsr rss rsu rua ruc rue rui ruk rur rus ruu saa sac sae sai sak sar sas sau sca scc sce sci sck scr scs scu se- sea sec see sei sek ser ses seu sia sic sie sii sik sir sis siu sk- ska skc ske ski skk skr sks sku sr- sra src sre sri srk srr srs ss- ssa ssc sse ssi ssk ssr sss ssu sua suc sue sui suk sur sus suu ua- uaa uac uae uai uak uar uas uau uca ucc uce uci uck ucr ucs ucu uea uec uee uei uer ues uia uic uie uii uir uis uiu uka ukc uke uki ukk ukr uku ur- ura urc ure uri urk urr urs uru usa usc use usi usk usr uss usu uua uuc uue uur uus uuu