-al -ic a-a a-c a-i aaa aac aag aai aak aal aar aas ac- aca acc acg aci ack acl acr acs ag- aga agc agg agi agk agl agr ags ai- aia aic aig aii aik ail air ais aka akc akg aki akk akl akr aks al- ala alc alg ali alk all alr als ar- ara arc arg ari ark arl arr ars as- asa asc asg asi ask asl asr ass c-- caa cac cag cai cak cal car cas cca ccc ccg cci cck ccl ccr ccs cga cgc cgg cgi cgl cgr cgs ci- cia cic cig cii cik cil cir cis cka ckc cki cks cl- cla clc clg cli clk cll clr cls cra crc crg cri crk crl crr crs csa csc csg csi csk csl csr css gaa gac gag gai gak gal gar gas gca gcc gcg gci gck gcl gcr gcs gga ggc ggg ggi ggr ggs gia gic gig gii gik gil gir gis gka gks gla glc glg gli glk gll glr gls gra grc grg gri grk grl grr grs gsa gsc gsg gsi gsk gsl gsr gss ia- iaa iac iag iai ial iar ias ica icc icg ici ick icl icr ics iga igc igg igi igk igl igr igs iia iic iii iil iir iis ika ikc iki ikk ikl ikr iks il- ila ilc ilg ili ilk ill ilr ils ir- ira irc irg iri irk irl irr irs is- isa isc isg isi isk isl isr iss ka- kaa kac kag kai kak kal kar kas kca kcc kcg kci kck kcl kcr kcs kga kgc kgi kgl kgs kia kic kig kii kik kil kir kis kkc kki kkk kkl kkr kks kl- kla klc klg kli klr kls kra krc krg kri krk krl krr krs ksa ksc ksg ksi ksk ksl ksr kss la- laa lac lag lai lak lal lar las lca lcc lcg lci lck lcl lcr lcs lga lgc lgg lgi lgk lgl lgr lgs lia lic lig lii lik lil lir lis lka lkg lkl lkr lks lla llc llg lli llk lll llr lls lra lrc lrg lri lrk lrr lrs lsa lsc lsg lsi lsk lsl lsr lss ra- raa rac rag rai rak ral rar ras rca rcc rcg rci rcl rcr rcs rga rgc rgg rgi rgk rgr rgs ria ric rig rii rik ril rir ris rkc rkg rkk rks rla rlc rlg rli rll rlr rls rra rrc rrg rri rrk rrl rrr rrs rsa rsc rsg rsi rsk rsl rsr rss saa sac sag sai sak sal sar sas sca scc scg sci sck scl scr scs sga sgc sgg sgi sgk sgl sgr sgs sia sic sig sii sik sil sir sis sk- ska skc skg ski skk skl skr sks sla slc slg sli slk sll slr sls sr- sra src srg sri srk srl srr srs ss- ssa ssc ssg ssi ssk ssl ssr sss