-al -ic a-a a-b a-c a-i a-t aaa aab aac aai aak aal aan aat ab- aba abb abc abi abk abl abn abt ac- aca acb acc aci ack acl acn act ai- aia aib aic aii aik ail ain ait aka akb akc aki akk akl akn al- ala alb alc ali alk all aln alt an- ana anb anc ani ank anl ann ant at- ata atb atc ati atl atn att baa bab bac bai bak bal ban bat bba bbb bbc bbi bbk bbl bbn bbt bca bcb bcc bci bck bcl bcn bct bi- bia bib bic bii bik bil bin bit bka bkb bkc bkk bkl bkn bkt bla blb blc bli blk bll bln blt bna bnb bnc bni bnk bnl bnn bnt bta btb btc bti btk btl btn btt c-- caa cab cac cai cak cal can cat cba cbb cbc cbi cbk cbl cbn cbt cca ccb ccc cci cck ccl ccn cct ci- cia cib cic cii cik cil cin cit cka ckb ckc cki ckt cl- cla clb clc cli clk cll cln clt cn- cna cnb cnc cni cnl cnn cnt cta ctb ctc cti ctk ctl ctn ctt ia- iaa iab iac iai ial ian iat iba ibb ibc ibi ibk ibl ibn ibt ica icb icc ici ick icl icn ict iia iib iic iii iil iin iit ika ikb ikc iki ikk ikl ikt il- ila ilb ilc ili ilk ill iln ilt in- ina inb inc ini ink inl inn int ita itb itc iti itk itl itn itt k-t ka- kaa kab kac kai kak kal kan kat kba kbb kbc kbi kbk kbl kbn kca kcb kcc kci kck kcl kcn kct kia kib kic kii kik kil kin kit kkb kkc kki kkk kkl kkn kkt kl- kla klb klc kli klt kn- kna knc kni knk knl knn knt kta ktb ktc ktk ktl ktn ktt la- laa lab lac lai lak lal lan lat lba lbb lbc lbi lbk lbl lbt lca lcb lcc lci lck lcl lcn lct lia lib lic lii lik lil lin lit lka lkb lkl lkt lla llb llc lli llk lll lln llt lna lnb lnc lni lnk lnl lnn lnt lta ltb ltc lti ltk ltl ltt n-i naa nab nac nai nak nal nan nat nba nbb nbc nbi nbk nbl nbn nbt nca ncb ncc nci nck ncl ncn nct nia nib nic nii nik nil nin nit nka nkc nki nkk nkn nkt nla nlb nlc nli nlk nll nln nlt nna nnb nnc nni nnk nnl nnn nnt nta ntb ntc nti ntk ntn ntt taa tab tac tai tak tal tan tat tba tbb tbc tbi tbk tbl tbn tbt tca tcb tcc tci tck tcl tcn tct tia tib tic tii tik til tin tit tka tkb tkc tkk tkl tkt tla tlc tli tlk tll tln tlt tna tnb tnc tni tnk tnl tnn tnt tta ttb ttc tti ttk ttl ttn ttt