-al -ic a-a a-c a-i a-t aaa aac aai aal aat aax ac- aca acc aci acl act acx ai- aia aic aii ail ait aix al- ala alc ali all alt alx at- ata atc ati atl att atx ax- axa axi axl axt axx c-- caa cac cai cal cat cax cca ccc cci ccl cct ccx ci- cia cic cii cil cit cix cl- cla clc cli cll clt clx cta ctc cti ctl ctt ctx cxc cxi cxl cxt cxx ia- iaa iac iai ial iat ica icc ici icl ict iia iic iii iil iit iix il- ila ilc ili ill ilt ilx ita itc iti itl itt itx ixc ixi ixl la- laa lac lai lal lat lax lca lcc lci lcl lct lcx lia lic lii lil lit lix lla llc lli lll llt lta ltc lti ltl ltt ltx lxc lxi lxx t-x taa tac tai tal tat tax tca tcc tci tcl tct tcx tia tic tii til tit tix tla tlc tli tll tlt tlx tta ttc tti ttl ttt ttx txi txl txt xaa xac xal xat xci xcl xcx xia xic xii xit xix xla xli xlt xtc xti xtx xxi xxl xxx