-er -ic -ji a-a a-b a-c a-i aaa aab aac aae aai aaj aan aar ab- aba abb abc abe abi abj abn abr ac- aca acb acc ace aci acj acn acr aea aeb aec aee aei aej aen aer ai- aia aib aic aie aii ain air aja ajb ajc aje aji ajj ajn ajr an- ana anb anc ane ani anj ann anr ar- ara arb arc are ari arj arn arr baa bab bac bae bai baj ban bar bba bbb bbc bbe bbi bbn bbr bca bcb bcc bce bci bcj bcn bcr be- bea beb bec bee bei ben ber bi- bia bib bic bie bii bij bin bir bja bjc bji bjj bjn bjr bna bnb bnc bne bni bnj bnn bnr bra brb bre bri brj brn brr c-- c-j caa cab cac cae cai caj can car cba cbb cbc cbe cbi cbj cbn cbr cca ccb ccc cce cci ccj ccn ccr ce- cea ceb cec cee cei cej cen cer ci- cia cib cic cie cii cij cin cir cja cjb cjc cjr cn- cna cnb cnc cne cni cnj cnn cnr cra crb crc cre cri crj crn crr eaa eab eac eae eai eaj ean ear eba ebb ebc ebe ebi ebj ebn ebr ec- eca ecb ecc ece eci ecj ecn ecr eea eeb eec eee een eer eia eib eic eie eii eij ein eir eja ejc eji en- ena enb enc ene eni enn enr era erb erc ere eri ern err ia- iaa iab iac iae iai ian iar iba ibb ibc ibe ibi ibj ibn ibr ica icb icc ice ici icj icn icr ie- iea iec iee iei iej ien ier iia iib iic iie iii iij iin iir ija ijb ijc ije iji ijn in- ina inb inc ine ini inj inn inr ir- ira irb irc ire iri irj irn irr j-i jaa jab jac jae jai jaj jan jar jba jbc jbi jbj jbr jca jcb jcc jce jci jcr jea jeb jec jee jei jej jen jer jia jib jic jie jii jij jin jir jja jjb jjc jjj jjr jna jnc jne jnj jnn jnr jra jrb jrc jri jrn jrr n-i naa nab nac nae nai naj nan nar nba nbb nbc nbe nbi nbn nbr nca ncb ncc nce nci ncn ncr ne- nea neb nec nee nei nej nen ner nia nib nic nie nii nin nir nja njc nje njn nna nnb nnc nne nni nnn nra nrb nrc nre nri nrj nrn nrr ra- raa rab rac rae rai raj ran rar rba rbb rbc rbe rbi rbn rbr rca rcb rcc rce rci rcj rcn rcr re- rea reb rec ree rei ren rer ria rib ric rie rii rin rir rja rjc rjr rna rnb rnc rni rnn rnr rra rrb rrc rri rrn rrr