-er -ic -ji a-a a-c a-i aaa aac aae aai aaj aar ac- aca acc ace aci acj acr aea aec aee aei aej aer ai- aia aic aie aii air aja ajc aje aji ajj ajr ar- ara arc are ari arj arr c-- c-j caa cac cae cai caj car cca ccc cce cci ccj ccr ce- cea cec cee cei cej cer ci- cia cic cie cii cij cir cja cjc cjr cra crc cre cri crj crr eaa eac eae eai eaj ear ec- eca ecc ece eci ecj ecr eea eec eee eer eia eic eie eii eij eir eja ejc eji era erc ere eri err ia- iaa iac iae iai iar ica icc ice ici icj icr ie- iea iec iee iei iej ier iia iic iie iii iij iir ija ijc ije iji ir- ira irc ire iri irj irr j-i jaa jac jae jai jaj jar jca jcc jce jci jcr jea jec jee jei jej jer jia jic jie jii jij jir jja jjc jjj jjr jra jrc jri jrr ra- raa rac rae rai raj rar rca rcc rce rci rcj rcr re- rea rec ree rei rer ria ric rie rii rir rja rjc rjr rra rrc rri rrr