-ic -ji a-a a-b a-c a-i aaa aab aac aai aaj aar aas ab- aba abb abc abi abj abr abs ac- aca acb acc aci acj acr acs ai- aia aib aic aii air ais aja ajb ajc aji ajj ajr ajs ar- ara arb arc ari arj arr ars as- asa asb asc asi asj asr ass baa bab bac bai baj bar bas bba bbb bbc bbi bbr bbs bca bcb bcc bci bcj bcr bcs bi- bia bib bic bii bij bir bis bja bjc bji bjj bjr bjs bra brb bri brj brr brs bsa bsb bsc bsi bsj bsr bss c-- c-j caa cab cac cai caj car cas cba cbb cbc cbi cbj cbr cbs cca ccb ccc cci ccj ccr ccs ci- cia cib cic cii cij cir cis cja cjb cjc cjr cjs cra crb crc cri crj crr crs csa csb csc csi csj csr css ia- iaa iab iac iai iar ias iba ibb ibc ibi ibj ibr ibs ica icb icc ici icj icr ics iia iib iic iii iij iir iis ija ijb ijc iji ijs ir- ira irb irc iri irj irr irs is- isa isb isc isi isj isr iss j-i jaa jab jac jai jaj jar jas jba jbc jbi jbj jbr jbs jca jcb jcc jci jcr jcs jia jib jic jii jij jir jis jja jjb jjc jjj jjr jjs jra jrb jrc jri jrr jrs jsa jsb jsc jsi jsj jsr jss ra- raa rab rac rai raj rar ras rba rbb rbc rbi rbr rbs rca rcb rcc rci rcj rcr rcs ria rib ric rii rir ris rja rjc rjr rra rrb rrc rri rrr rrs rsa rsb rsc rsi rsj rsr rss saa sab sac sai saj sar sas sba sbb sbc sbi sbj sbr sbs sca scb scc sci scj scr scs sia sib sic sii sij sir sis sja sjb sjc sji sjj sjr sjs sr- sra srb src sri srj srr srs ss- ssa ssb ssc ssi ssj ssr sss