-al -ic a-a a-b a-c a-i aaa aab aac aag aai aak aal aan ab- aba abb abc abg abi abk abl abn ac- aca acb acc acg aci ack acl acn ag- aga agb agc agg agi agk agl agn ai- aia aib aic aig aii aik ail ain aka akb akc akg aki akk akl akn al- ala alb alc alg ali alk all aln an- ana anb anc ang ani ank anl ann baa bab bac bag bai bak bal ban bba bbb bbc bbg bbi bbk bbl bbn bca bcb bcc bcg bci bck bcl bcn bga bgb bgc bgg bgi bgk bgl bgn bi- bia bib bic big bii bik bil bin bka bkb bkc bkg bkk bkl bkn bla blb blc blg bli blk bll bln bna bnb bnc bng bni bnk bnl bnn c-- caa cab cac cag cai cak cal can cba cbb cbc cbg cbi cbk cbl cbn cca ccb ccc ccg cci cck ccl ccn cga cgb cgc cgg cgi cgl cgn ci- cia cib cic cig cii cik cil cin cka ckb ckc cki cl- cla clb clc clg cli clk cll cln cn- cna cnb cnc cng cni cnl cnn gaa gab gac gag gai gak gal gan gba gbc gbg gbi gbk gbl gbn gca gcb gcc gcg gci gck gcl gcn gga ggb ggc ggg ggi ggn gia gib gic gig gii gik gil gin gka gkb gkn gla glb glc glg gli glk gll gln gna gnb gnc gni gnl gnn ia- iaa iab iac iag iai ial ian iba ibb ibc ibg ibi ibk ibl ibn ica icb icc icg ici ick icl icn iga igb igc igg igi igk igl ign iia iib iic iii iil iin ika ikb ikc iki ikk ikl il- ila ilb ilc ilg ili ilk ill iln in- ina inb inc ing ini ink inl inn ka- kaa kab kac kag kai kak kal kan kba kbb kbc kbi kbk kbl kbn kca kcb kcc kcg kci kck kcl kcn kga kgb kgc kgi kgl kia kib kic kig kii kik kil kin kkb kkc kki kkk kkl kkn kl- kla klb klc klg kli kn- kna knc kng kni knk knl knn la- laa lab lac lag lai lak lal lan lba lbb lbc lbg lbi lbk lbl lca lcb lcc lcg lci lck lcl lcn lga lgb lgc lgg lgi lgk lgl lgn lia lib lic lig lii lik lil lin lka lkb lkg lkl lla llb llc llg lli llk lll lln lna lnb lnc lng lni lnk lnl lnn n-i naa nab nac nag nai nak nal nan nba nbb nbc nbg nbi nbk nbl nbn nca ncb ncc ncg nci nck ncl ncn nga ngb ngc ngg ngi ngk ngl ngn nia nib nic nig nii nik nil nin nka nkc nki nkk nkn nla nlb nlc nlg nli nlk nll nln nna nnb nnc nng nni nnk nnl nnn