-al a-a a-c aaa aac aae aaf aal aan aas ac- aca acc ace acf acl acn acs aea aec aee aef ael aen aes af- afa afc afe aff afl afn afs al- ala alc ale alf all aln als an- ana anc ane anf anl ann ans as- asa asc ase asf asl asn ass c-- caa cac cae caf cal can cas cca ccc cce ccf ccl ccn ccs ce- cea cec cee cef cel cen ces cfa cfc cfe cff cfl cfn cfs cl- cla clc cle clf cll cln cls cn- cna cnc cne cnf cnl cnn cns csa csc cse csf csl csn css eaa eac eae eaf eal ean eas ec- eca ecc ece ecf ecl ecn ecs eea eec eee eef eel een ees ef- efa efc efe eff efl efs ela elc ele elf ell eln els en- ena enc ene enf enl enn ens es- esa esc ese esf esl esn ess faa fac fae faf fal fan fas fca fcc fce fcf fcl fcn fcs fea fec fee fef fel fen fes ffa ffc ffe fff ffl ffn ffs fla flc fle flf fll fln fls fna fnc fne fnf fnl fnn fns fsa fsc fse fsf fsl fsn fss la- laa lac lae laf lal lan las lca lcc lce lcf lcl lcn lcs lea lec lee lef lel len les lfa lfc lfe lff lfl lfn lfs lla llc lle llf lll lln lls lna lnc lne lnl lnn lns lsa lsc lse lsf lsl lsn lss naa nac nae naf nal nan nas nca ncc nce ncf ncl ncn ncs ne- nea nec nee nef nel nen nes nfa nfc nfe nff nfl nfn nfs nla nlc nle nlf nll nln nls nna nnc nne nnf nnl nnn nns nsa nsc nse nsf nsl nsn nss saa sac sae saf sal san sas sca scc sce scf scl scn scs se- sea sec see sef sel sen ses sfa sfc sfe sff sfl sfn sfs sla slc sle slf sll sln sls sna snc sne snf snl snn sns ss- ssa ssc sse ssf ssl ssn sss