-al -ic a-a a-b a-c a-i aaa aab aac aae aai aal aap aax ab- aba abb abc abe abi abl abp abx ac- aca acb acc ace aci acl acp acx aea aeb aec aee aei ael aep aex ai- aia aib aic aie aii ail aip aix al- ala alb alc ale ali all alp alx ap- apa apb apc ape api apl app apx ax- axa axe axi axl axp axx b-p baa bab bac bae bai bal bap bax bba bbb bbc bbe bbi bbl bbp bbx bca bcb bcc bce bci bcl bcp bcx be- bea beb bec bee bei bel bep bex bi- bia bib bic bie bii bil bip bix bla blb blc ble bli bll blp blx bpa bpb bpc bpe bpi bpl bpp bpx bxb bxi bxl bxx c-- caa cab cac cae cai cal cap cax cba cbb cbc cbe cbi cbl cbp cbx cca ccb ccc cce cci ccl ccp ccx ce- cea ceb cec cee cei cel cep cex ci- cia cib cic cie cii cil cip cix cl- cla clb clc cle cli cll clp clx cpa cpb cpc cpe cpi cpl cpp cpx cxc cxi cxl cxp cxx eaa eab eac eae eai eal eap eax eba ebb ebc ebe ebi ebl ebp ebx ec- eca ecb ecc ece eci ecl ecx eea eeb eec eee eel eep eex eia eib eic eie eii eil eip eix ela elb elc ele eli ell elp elx ep- epa epb epc epe epi epl epp epx ex- exa exc exe exi exl exp exx ia- iaa iab iac iae iai ial iap iba ibb ibc ibe ibi ibl ibp ibx ica icb icc ice ici icl icp ie- iea iec iee iei iel iep iex iia iib iic iie iii iil iip iix il- ila ilb ilc ile ili ill ilp ilx ipa ipb ipc ipe ipi ipl ipp ipx ixc ixe ixi ixl l-p la- laa lab lac lae lai lal lap lax lba lbb lbc lbe lbi lbl lbp lbx lca lcb lcc lce lci lcl lcp lcx lea leb lec lee lei lel lep lex lia lib lic lie lii lil lip lix lla llb llc lle lli lll llp lpa lpb lpc lpe lpi lpl lpp lpx lxc lxi lxx p-p paa pab pac pae pai pal pap pax pba pbb pbc pbe pbi pbl pbp pbx pca pcb pcc pce pci pcl pcp pcx pea peb pec pee pei pel pep pex pia pib pic pie pii pil pip pix pla plb plc ple pli pll plp plx ppa ppb ppc ppe ppi ppl ppp ppx pxc pxe pxl xaa xac xal xap xbc xbe xbl xbx xcb xci xcl xcp xcx xee xel xep xex xia xic xie xii xix xla xlb xli xpa xpb xpc xpe xpl xpp xxi xxl xxp xxx