-er -ey -ic a-a a-c a-i aaa aac aae aai aap aar aay ac- aca acc ace aci acp acr acy aea aec aee aei aep aer aey ai- aia aic aie aii aip air aiy ap- apa apc ape api app apr apy ar- ara arc are ari arp arr ary ay- aya ayc aye ayi ayp ayr c-- caa cac cae cai cap car cay cca ccc cce cci ccp ccr ce- cea cec cee cei cep cer cey ci- cia cic cie cii cip cir cpa cpc cpe cpi cpp cpr cra crc cre cri crp crr cry cya cyc cye cyp cyr eaa eac eae eai eap ear ec- eca ecc ece eci ecr eea eec eee eep eer eey eia eic eie eii eip eir ep- epa epc epe epi epp epr era erc ere eri erp err ery eya eyc eye eyp eyr ia- iaa iac iae iai iap iar ica icc ice ici icp icr icy ie- iea iec iee iei iep ier iey iia iic iie iii iip iir ipa ipc ipe ipi ipp ipr ipy ir- ira irc ire iri irp irr iry iya iyc iye iyr iyy p-p paa pac pae pai pap par pay pca pcc pce pci pcp pcr pea pec pee pei pep per pey pia pic pie pii pip pir ppa ppc ppe ppi ppp ppr pra prc pre pri prp prr pry py- pya pyc pye pyr ra- raa rac rae rai rap rar ray rca rcc rce rci rcp rcr re- rea rec ree rei rep rer rey ria ric rie rii rip rir riy rpa rpc rpe rpi rpp rpr rra rrc rri rrp rrr ry- rya ryc rye ryr ryy yaa yac yae yai yap yar yay yca ycc yce yci ycp ycy yea yec yee yei yep yer yey yie yii yip yir ypa yra yrc yre yrp yyc yye yyy