-al -ic a-a a-b a-c a-i aaa aab aac aae aai aal aan aap ab- aba abb abc abe abi abl abn abp ac- aca acb acc ace aci acl acn acp aea aeb aec aee aei ael aen aep ai- aia aib aic aie aii ail ain aip al- ala alb alc ale ali all aln alp an- ana anb anc ane ani anl ann anp ap- apa apb apc ape api apl apn app b-p baa bab bac bae bai bal ban bap bba bbb bbc bbe bbi bbl bbn bbp bca bcb bcc bce bci bcl bcn bcp be- bea beb bec bee bei bel ben bep bi- bia bib bic bie bii bil bin bip bla blb blc ble bli bll bln blp bna bnb bnc bne bni bnl bnn bnp bpa bpb bpc bpe bpi bpl bpn bpp c-- caa cab cac cae cai cal can cap cba cbb cbc cbe cbi cbl cbn cbp cca ccb ccc cce cci ccl ccn ccp ce- cea ceb cec cee cei cel cen cep ci- cia cib cic cie cii cil cin cip cl- cla clb clc cle cli cll cln clp cn- cna cnb cnc cne cni cnl cnn cnp cpa cpb cpc cpe cpi cpl cpn cpp eaa eab eac eae eai eal ean eap eba ebb ebc ebe ebi ebl ebn ebp ec- eca ecb ecc ece eci ecl ecn eea eeb eec eee eel een eep eia eib eic eie eii eil ein eip ela elb elc ele eli ell eln elp en- ena enb enc ene eni enl enn enp ep- epa epb epc epe epi epl epn epp ia- iaa iab iac iae iai ial ian iap iba ibb ibc ibe ibi ibl ibn ibp ica icb icc ice ici icl icn icp ie- iea iec iee iei iel ien iep iia iib iic iie iii iil iin iip il- ila ilb ilc ile ili ill iln ilp in- ina inb inc ine ini inl inn inp ipa ipb ipc ipe ipi ipl ipn ipp l-p la- laa lab lac lae lai lal lan lap lba lbb lbc lbe lbi lbl lbp lca lcb lcc lce lci lcl lcn lcp lea leb lec lee lei lel len lep lia lib lic lie lii lil lin lip lla llb llc lle lli lll lln llp lna lnb lnc lne lni lnl lnn lnp lpa lpb lpc lpe lpi lpl lpn lpp n-i naa nab nac nae nai nal nan nap nba nbb nbc nbe nbi nbl nbn nbp nca ncb ncc nce nci ncl ncn ncp ne- nea neb nec nee nei nel nen nep nia nib nic nie nii nil nin nip nla nlb nlc nle nli nll nln nlp nna nnb nnc nne nni nnl nnn nnp npa npb npc npe npi npl npn npp p-p paa pab pac pae pai pal pan pap pba pbb pbc pbe pbi pbl pbn pbp pca pcb pcc pce pci pcl pcn pcp pea peb pec pee pei pel pen pep pia pib pic pie pii pil pin pip pla plb plc ple pli pll pln plp pn- pna pnb pnc pne pni pnl pnn pnp ppa ppb ppc ppe ppi ppl ppn ppp