-al -ic a-a a-c a-i a-t aaa aac aae aai aal aap aat aax ac- aca acc ace aci acl acp act acx aea aec aee aei ael aep aet aex ai- aia aic aie aii ail aip ait aix al- ala alc ale ali all alp alt alx ap- apa apc ape api apl app apt apx at- ata atc ate ati atl atp att atx ax- axa axe axi axl axp axt axx c-- caa cac cae cai cal cap cat cax cca ccc cce cci ccl ccp cct ccx ce- cea cec cee cei cel cep cet cex ci- cia cic cie cii cil cip cit cix cl- cla clc cle cli cll clp clt clx cpa cpc cpe cpi cpl cpp cpt cpx cta ctc cte cti ctl ctp ctt ctx cxc cxi cxl cxp cxt cxx eaa eac eae eai eal eap eat eax ec- eca ecc ece eci ecl ect ecx eea eec eee eel eep eet eex eia eic eie eii eil eip eit eix ela elc ele eli ell elp elt elx ep- epa epc epe epi epl epp ept epx eta etc ete eti etl etp ett etx ex- exa exc exe exi exl exp ext exx ia- iaa iac iae iai ial iap iat ica icc ice ici icl icp ict ie- iea iec iee iei iel iep iet iex iia iic iie iii iil iip iit iix il- ila ilc ile ili ill ilp ilt ilx ipa ipc ipe ipi ipl ipp ipt ipx ita itc ite iti itl itp itt itx ixc ixe ixi ixl l-p la- laa lac lae lai lal lap lat lax lca lcc lce lci lcl lcp lct lcx lea lec lee lei lel lep let lex lia lic lie lii lil lip lit lix lla llc lle lli lll llp llt lpa lpc lpe lpi lpl lpp lpt lpx lta ltc lte lti ltl ltp ltt ltx lxc lxi lxx p-p paa pac pae pai pal pap pat pax pca pcc pce pci pcl pcp pct pcx pea pec pee pei pel pep pet pex pia pic pie pii pil pip pit pix pla plc ple pli pll plp plt plx ppa ppc ppe ppi ppl ppp ppt ppx pt- pta ptc pte pti ptl ptp ptt ptx pxc pxe pxl pxt t-x taa tac tae tai tal tap tat tax tca tcc tce tci tcl tcp tct tcx te- tea tec tee tei tel tep tet tex tia tic tie tii til tip tit tix tla tlc tle tli tll tlp tlt tlx tpa tpc tpe tpi tpl tpp tpt tpx tta ttc tte tti ttl ttp ttt ttx txe txi txl txt xaa xac xal xap xat xci xcl xcp xcx xee xel xep xet xex xia xic xie xii xit xix xla xli xlt xpa xpc xpe xpl xpp xpt xtc xti xtp xtx xxi xxl xxp xxx