-ic a-a a-c a-i aaa aac aaf aai aak aan aas ac- aca acc acf aci ack acn acs af- afa afc aff afi afk afn afs ai- aia aic aif aii aik ain ais aka akc aki akk akn aks an- ana anc anf ani ank ann ans as- asa asc asf asi ask asn ass c-- caa cac caf cai cak can cas cca ccc ccf cci cck ccn ccs cfa cfc cff cfi cfk cfn cfs ci- cia cic cif cii cik cin cis cka ckc cki cks cn- cna cnc cnf cni cnn cns csa csc csf csi csk csn css faa fac faf fai fak fan fas fca fcc fcf fci fck fcn fcs ffa ffc fff ffi ffk ffn ffs fia fic fif fii fik fin fis fka fkc fkf fki fkk fna fnc fnf fni fnk fnn fns fsa fsc fsf fsi fsk fsn fss i-f ia- iaa iac iaf iai ian ias ica icc icf ici ick icn ics ifa ifc iff ifi ifn ifs iia iic iif iii iin iis ika ikc ikf iki ikk iks in- ina inc inf ini ink inn ins is- isa isc isf isi isk isn iss ka- kaa kac kaf kai kak kan kas kca kcc kci kck kcn kcs kfa kfc kff kfi kfs kia kic kif kii kik kin kis kkc kki kkk kkn kks kn- kna knc knf kni knk knn ksa ksc ksf ksi ksk ksn kss n-i naa nac naf nai nak nan nas nca ncc ncf nci nck ncn ncs nfa nfc nff nfi nfk nfn nfs nia nic nif nii nik nin nis nka nkc nkf nki nkk nkn nks nna nnc nnf nni nnk nnn nns nsa nsc nsf nsi nsk nsn nss saa sac saf sai sak san sas sca scc scf sci sck scn scs sfa sfc sff sfi sfk sfn sfs sia sic sif sii sik sin sis sk- ska skc skf ski skk sks sna snc snf sni snk snn sns ss- ssa ssc ssf ssi ssk ssn sss