-ic a-a a-c a-i a-t aaa aac aai aak aat aax ac- aca acc aci ack act acx ai- aia aic aii aik ait aix aka akc aki akk at- ata atc ati att atx ax- axa axi axk axt axx c-- caa cac cai cak cat cax cca ccc cci cck cct ccx ci- cia cic cii cik cit cix cka ckc cki ckt ckx cta ctc cti ctk ctt ctx cxc cxi cxk cxt cxx ia- iaa iac iai iat ica icc ici ick ict iia iic iii iit iix ika ikc iki ikk ikt ikx ita itc iti itk itt itx ixc ixi k-t ka- kaa kac kai kak kat kax kca kcc kci kck kct kcx kia kic kii kik kit kix kkc kki kkk kkt kta ktc ktk ktt t-x taa tac tai tak tat tax tca tcc tci tck tct tcx tia tic tii tik tit tix tka tkc tkk tkt tta ttc tti ttk ttt ttx txi txk txt xaa xac xak xat xci xcx xia xic xii xit xix xtc xti xtx xxi xxx