-al a-a a-c aaa aac aaf aal aan aas ac- aca acc acf acl acn acs af- afa afc aff afl afn afs al- ala alc alf all aln als an- ana anc anf anl ann ans as- asa asc asf asl asn ass c-- caa cac caf cal can cas cca ccc ccf ccl ccn ccs cfa cfc cff cfl cfn cfs cl- cla clc clf cll cln cls cn- cna cnc cnf cnl cnn cns csa csc csf csl csn css faa fac faf fal fan fas fca fcc fcf fcl fcn fcs ffa ffc fff ffl ffn ffs fla flc flf fll fln fls fna fnc fnf fnl fnn fns fsa fsc fsf fsl fsn fss la- laa lac laf lal lan las lca lcc lcf lcl lcn lcs lfa lfc lff lfl lfn lfs lla llc llf lll lln lls lna lnc lnl lnn lns lsa lsc lsf lsl lsn lss naa nac naf nal nan nas nca ncc ncf ncl ncn ncs nfa nfc nff nfl nfn nfs nla nlc nlf nll nln nls nna nnc nnf nnl nnn nns nsa nsc nsf nsl nsn nss saa sac saf sal san sas sca scc scf scl scn scs sfa sfc sff sfl sfn sfs sla slc slf sll sln sls sna snc snf snl snn sns ss- ssa ssc ssf ssl ssn sss