-er -ic -ji a-a a-c a-i aaa aac aae aag aai aaj aak aar ac- aca acc ace acg aci acj ack acr aea aec aee aeg aei aej aek aer ag- aga agc age agg agi agj agk agr ai- aia aic aie aig aii aik air aja ajc aje aji ajj ajk ajr aka akc ake akg aki akj akk akr ar- ara arc are arg ari arj ark arr c-- c-j caa cac cae cag cai caj cak car cca ccc cce ccg cci ccj cck ccr ce- cea cec cee ceg cei cej cek cer cga cgc cge cgg cgi cgr ci- cia cic cie cig cii cij cik cir cja cjc cjg cjk cjr cka ckc cki cra crc cre crg cri crj crk crr eaa eac eae eag eai eaj eak ear ec- eca ecc ece ecg eci ecj eck ecr eea eec eee eeg eek eer ega egc ege egg egi egr eia eic eie eig eii eij eik eir eja ejc eji eka ekc eke ekg eki ekr era erc ere erg eri erk err gaa gac gae gag gai gaj gak gar gca gcc gce gcg gci gck gcr ge- gea gec gee geg gei gek ger gga ggc ggg ggi ggj ggr gia gic gie gig gii gij gik gir gja gjc gje gjg gjr gka gra grc gre grg gri grj grk grr ia- iaa iac iae iag iai iar ica icc ice icg ici icj ick icr ie- iea iec iee ieg iei iej iek ier iga igc ige igg igi igk igr iia iic iie iii iij iir ija ijc ije ijg iji ijk ika ikc ike iki ikk ikr ir- ira irc ire irg iri irj irk irr j-i jaa jac jae jag jai jaj jak jar jca jcc jce jci jck jcr jea jec jee jeg jei jej jek jer jga jge jgi jgr jia jic jie jig jii jij jir jja jjc jjg jjj jjk jjr jka jkk jkr jra jrc jrg jri jrk jrr ka- kaa kac kae kag kai kaj kak kar kca kcc kce kcg kci kck kcr ke- kea kec kee keg kei kek ker kga kgc kgi kia kic kie kig kii kij kik kir kjc kje kji kjr kkc kke kki kkk kkr kra krc krg kri krk krr ra- raa rac rae rag rai raj rak rar rca rcc rce rcg rci rcj rcr re- rea rec ree reg rei rek rer rga rgc rge rgg rgi rgk rgr ria ric rie rig rii rik rir rja rjc rjg rjk rjr rkc rke rkg rkk rra rrc rrg rri rrk rrr