-al -ic a-a a-b a-c a-i a-t aaa aab aac aai aal aan aat ab- aba abb abc abi abl abn abt ac- aca acb acc aci acl acn act ai- aia aib aic aii ail ain ait al- ala alb alc ali all aln alt an- ana anb anc ani anl ann ant at- ata atb atc ati atl atn att baa bab bac bai bal ban bat bba bbb bbc bbi bbl bbn bbt bca bcb bcc bci bcl bcn bct bi- bia bib bic bii bil bin bit bla blb blc bli bll bln blt bna bnb bnc bni bnl bnn bnt bta btb btc bti btl btn btt c-- caa cab cac cai cal can cat cba cbb cbc cbi cbl cbn cbt cca ccb ccc cci ccl ccn cct ci- cia cib cic cii cil cin cit cl- cla clb clc cli cll cln clt cn- cna cnb cnc cni cnl cnn cnt cta ctb ctc cti ctl ctn ctt ia- iaa iab iac iai ial ian iat iba ibb ibc ibi ibl ibn ibt ica icb icc ici icl icn ict iia iib iic iii iil iin iit il- ila ilb ilc ili ill iln ilt in- ina inb inc ini inl inn int ita itb itc iti itl itn itt la- laa lab lac lai lal lan lat lba lbb lbc lbi lbl lbt lca lcb lcc lci lcl lcn lct lia lib lic lii lil lin lit lla llb llc lli lll lln llt lna lnb lnc lni lnl lnn lnt lta ltb ltc lti ltl ltt n-i naa nab nac nai nal nan nat nba nbb nbc nbi nbl nbn nbt nca ncb ncc nci ncl ncn nct nia nib nic nii nil nin nit nla nlb nlc nli nll nln nlt nna nnb nnc nni nnl nnn nnt nta ntb ntc nti ntn ntt taa tab tac tai tal tan tat tba tbb tbc tbi tbl tbn tbt tca tcb tcc tci tcl tcn tct tia tib tic tii til tin tit tla tlc tli tll tln tlt tna tnb tnc tni tnl tnn tnt tta ttb ttc tti ttl ttn ttt