-al -ic a-a a-b a-c a-i aaa aab aac aag aai aal aan aas ab- aba abb abc abg abi abl abn abs ac- aca acb acc acg aci acl acn acs ag- aga agb agc agg agi agl agn ags ai- aia aib aic aig aii ail ain ais al- ala alb alc alg ali all aln als an- ana anb anc ang ani anl ann ans as- asa asb asc asg asi asl asn ass baa bab bac bag bai bal ban bas bba bbb bbc bbg bbi bbl bbn bbs bca bcb bcc bcg bci bcl bcn bcs bga bgb bgc bgg bgi bgl bgn bgs bi- bia bib bic big bii bil bin bis bla blb blc blg bli bll bln bls bna bnb bnc bng bni bnl bnn bns bsa bsb bsc bsg bsi bsl bsn bss c-- caa cab cac cag cai cal can cas cba cbb cbc cbg cbi cbl cbn cbs cca ccb ccc ccg cci ccl ccn ccs cga cgb cgc cgg cgi cgl cgn cgs ci- cia cib cic cig cii cil cin cis cl- cla clb clc clg cli cll cln cls cn- cna cnb cnc cng cni cnl cnn cns csa csb csc csg csi csl csn css gaa gab gac gag gai gal gan gas gba gbc gbg gbi gbl gbn gbs gca gcb gcc gcg gci gcl gcn gcs gga ggb ggc ggg ggi ggn ggs gia gib gic gig gii gil gin gis gla glb glc glg gli gll gln gls gna gnb gnc gni gnl gnn gns gsa gsb gsc gsg gsi gsl gsn gss ia- iaa iab iac iag iai ial ian ias iba ibb ibc ibg ibi ibl ibn ibs ica icb icc icg ici icl icn ics iga igb igc igg igi igl ign igs iia iib iic iii iil iin iis il- ila ilb ilc ilg ili ill iln ils in- ina inb inc ing ini inl inn ins is- isa isb isc isg isi isl isn iss la- laa lab lac lag lai lal lan las lba lbb lbc lbg lbi lbl lbs lca lcb lcc lcg lci lcl lcn lcs lga lgb lgc lgg lgi lgl lgn lgs lia lib lic lig lii lil lin lis lla llb llc llg lli lll lln lls lna lnb lnc lng lni lnl lnn lns lsa lsb lsc lsg lsi lsl lsn lss n-i naa nab nac nag nai nal nan nas nba nbb nbc nbg nbi nbl nbn nbs nca ncb ncc ncg nci ncl ncn ncs nga ngb ngc ngg ngi ngl ngn ngs nia nib nic nig nii nil nin nis nla nlb nlc nlg nli nll nln nls nna nnb nnc nng nni nnl nnn nns nsa nsb nsc nsg nsi nsl nsn nss saa sab sac sag sai sal san sas sba sbb sbc sbg sbi sbl sbn sbs sca scb scc scg sci scl scn scs sga sgb sgc sgg sgi sgl sgn sgs sia sib sic sig sii sil sin sis sla slb slc slg sli sll sln sls sna snb snc sng sni snl snn sns ss- ssa ssb ssc ssg ssi ssl ssn sss