-er -ic -ji a-a a-c a-i aaa aac aae aai aaj aak aan aar ac- aca acc ace aci acj ack acn acr aea aec aee aei aej aek aen aer ai- aia aic aie aii aik ain air aja ajc aje aji ajj ajk ajn ajr aka akc ake aki akj akk akn akr an- ana anc ane ani anj ank ann anr ar- ara arc are ari arj ark arn arr c-- c-j caa cac cae cai caj cak can car cca ccc cce cci ccj cck ccn ccr ce- cea cec cee cei cej cek cen cer ci- cia cic cie cii cij cik cin cir cja cjc cjk cjr cka ckc cki cn- cna cnc cne cni cnj cnn cnr cra crc cre cri crj crk crn crr eaa eac eae eai eaj eak ean ear ec- eca ecc ece eci ecj eck ecn ecr eea eec eee eek een eer eia eic eie eii eij eik ein eir eja ejc eji eka ekc eke eki ekr en- ena enc ene eni enk enn enr era erc ere eri erk ern err ia- iaa iac iae iai ian iar ica icc ice ici icj ick icn icr ie- iea iec iee iei iej iek ien ier iia iic iie iii iij iin iir ija ijc ije iji ijk ijn ika ikc ike iki ikk ikr in- ina inc ine ini inj ink inn inr ir- ira irc ire iri irj irk irn irr j-i jaa jac jae jai jaj jak jan jar jca jcc jce jci jck jcr jea jec jee jei jej jek jen jer jia jic jie jii jij jin jir jja jjc jjj jjk jjr jka jkk jkn jkr jna jnc jne jnj jnn jnr jra jrc jri jrk jrn jrr ka- kaa kac kae kai kaj kak kan kar kca kcc kce kci kck kcn kcr ke- kea kec kee kei kek ken ker kia kic kie kii kij kik kin kir kjc kje kji kjr kkc kke kki kkk kkn kkr kn- kna knc kne kni knk knn knr kra krc kri krk krn krr n-i naa nac nae nai naj nak nan nar nca ncc nce nci nck ncn ncr ne- nea nec nee nei nej nek nen ner nia nic nie nii nik nin nir nja njc nje njk njn nka nkc nke nki nkj nkk nkn nkr nna nnc nne nni nnk nnn nra nrc nre nri nrj nrk nrn nrr ra- raa rac rae rai raj rak ran rar rca rcc rce rci rcj rcn rcr re- rea rec ree rei rek ren rer ria ric rie rii rik rin rir rja rjc rjk rjr rkc rke rkk rna rnc rni rnn rnr rra rrc rri rrk rrn rrr