-al -ic a-a a-c a-i aaa aac aag aai aak aal aan aas ac- aca acc acg aci ack acl acn acs ag- aga agc agg agi agk agl agn ags ai- aia aic aig aii aik ail ain ais aka akc akg aki akk akl akn aks al- ala alc alg ali alk all aln als an- ana anc ang ani ank anl ann ans as- asa asc asg asi ask asl asn ass c-- caa cac cag cai cak cal can cas cca ccc ccg cci cck ccl ccn ccs cga cgc cgg cgi cgl cgn cgs ci- cia cic cig cii cik cil cin cis cka ckc cki cks cl- cla clc clg cli clk cll cln cls cn- cna cnc cng cni cnl cnn cns csa csc csg csi csk csl csn css gaa gac gag gai gak gal gan gas gca gcc gcg gci gck gcl gcn gcs gga ggc ggg ggi ggn ggs gia gic gig gii gik gil gin gis gka gkn gks gla glc glg gli glk gll gln gls gna gnc gni gnl gnn gns gsa gsc gsg gsi gsk gsl gsn gss ia- iaa iac iag iai ial ian ias ica icc icg ici ick icl icn ics iga igc igg igi igk igl ign igs iia iic iii iil iin iis ika ikc iki ikk ikl iks il- ila ilc ilg ili ilk ill iln ils in- ina inc ing ini ink inl inn ins is- isa isc isg isi isk isl isn iss ka- kaa kac kag kai kak kal kan kas kca kcc kcg kci kck kcl kcn kcs kga kgc kgi kgl kgs kia kic kig kii kik kil kin kis kkc kki kkk kkl kkn kks kl- kla klc klg kli kls kn- kna knc kng kni knk knl knn ksa ksc ksg ksi ksk ksl ksn kss la- laa lac lag lai lak lal lan las lca lcc lcg lci lck lcl lcn lcs lga lgc lgg lgi lgk lgl lgn lgs lia lic lig lii lik lil lin lis lka lkg lkl lks lla llc llg lli llk lll lln lls lna lnc lng lni lnk lnl lnn lns lsa lsc lsg lsi lsk lsl lsn lss n-i naa nac nag nai nak nal nan nas nca ncc ncg nci nck ncl ncn ncs nga ngc ngg ngi ngk ngl ngn ngs nia nic nig nii nik nil nin nis nka nkc nki nkk nkn nks nla nlc nlg nli nlk nll nln nls nna nnc nng nni nnk nnl nnn nns nsa nsc nsg nsi nsk nsl nsn nss saa sac sag sai sak sal san sas sca scc scg sci sck scl scn scs sga sgc sgg sgi sgk sgl sgn sgs sia sic sig sii sik sil sin sis sk- ska skc skg ski skk skl sks sla slc slg sli slk sll sln sls sna snc sng sni snk snl snn sns ss- ssa ssc ssg ssi ssk ssl ssn sss