-ic -ji a-a a-c a-i aaa aac aag aai aaj aak aar aas ac- aca acc acg aci acj ack acr acs ag- aga agc agg agi agj agk agr ags ai- aia aic aig aii aik air ais aja ajc aji ajj ajk ajr ajs aka akc akg aki akj akk akr aks ar- ara arc arg ari arj ark arr ars as- asa asc asg asi asj ask asr ass c-- c-j caa cac cag cai caj cak car cas cca ccc ccg cci ccj cck ccr ccs cga cgc cgg cgi cgr cgs ci- cia cic cig cii cij cik cir cis cja cjc cjg cjk cjr cjs cka ckc cki cks cra crc crg cri crj crk crr crs csa csc csg csi csj csk csr css gaa gac gag gai gaj gak gar gas gca gcc gcg gci gck gcr gcs gga ggc ggg ggi ggj ggr ggs gia gic gig gii gij gik gir gis gja gjc gjg gjr gka gks gra grc grg gri grj grk grr grs gsa gsc gsg gsi gsj gsk gsr gss ia- iaa iac iag iai iar ias ica icc icg ici icj ick icr ics iga igc igg igi igk igr igs iia iic iii iij iir iis ija ijc ijg iji ijk ijs ika ikc iki ikk ikr iks ir- ira irc irg iri irj irk irr irs is- isa isc isg isi isj isk isr iss j-i jaa jac jag jai jaj jak jar jas jca jcc jci jck jcr jcs jga jgi jgr jgs jia jic jig jii jij jir jis jja jjc jjg jjj jjk jjr jjs jka jkk jkr jks jra jrc jrg jri jrk jrr jrs jsa jsc jsg jsi jsj jsk jsr jss ka- kaa kac kag kai kaj kak kar kas kca kcc kcg kci kck kcr kcs kga kgc kgi kgs kia kic kig kii kij kik kir kis kjc kji kjr kjs kkc kki kkk kkr kks kra krc krg kri krk krr krs ksa ksc ksg ksi ksk ksr kss ra- raa rac rag rai raj rak rar ras rca rcc rcg rci rcj rcr rcs rga rgc rgg rgi rgk rgr rgs ria ric rig rii rik rir ris rja rjc rjg rjk rjr rkc rkg rkk rks rra rrc rrg rri rrk rrr rrs rsa rsc rsg rsi rsj rsk rsr rss saa sac sag sai saj sak sar sas sca scc scg sci scj sck scr scs sga sgc sgg sgi sgk sgr sgs sia sic sig sii sij sik sir sis sja sjc sji sjj sjk sjr sjs sk- ska skc skg ski skj skk skr sks sr- sra src srg sri srj srk srr srs ss- ssa ssc ssg ssi ssj ssk ssr sss