-al -ic a-a a-b a-c a-i aaa aab aac aae aai aal aan aap aas ab- aba abb abc abe abi abl abn abp abs ac- aca acb acc ace aci acl acn acp acs aea aeb aec aee aei ael aen aep aes ai- aia aib aic aie aii ail ain aip ais al- ala alb alc ale ali all aln alp als an- ana anb anc ane ani anl ann anp ans ap- apa apb apc ape api apl apn app aps as- asa asb asc ase asi asl asn asp ass b-p baa bab bac bae bai bal ban bap bas bba bbb bbc bbe bbi bbl bbn bbp bbs bca bcb bcc bce bci bcl bcn bcp bcs be- bea beb bec bee bei bel ben bep bes bi- bia bib bic bie bii bil bin bip bis bla blb blc ble bli bll bln blp bls bna bnb bnc bne bni bnl bnn bnp bns bpa bpb bpc bpe bpi bpl bpn bpp bps bsa bsb bsc bse bsi bsl bsn bsp bss c-- caa cab cac cae cai cal can cap cas cba cbb cbc cbe cbi cbl cbn cbp cbs cca ccb ccc cce cci ccl ccn ccp ccs ce- cea ceb cec cee cei cel cen cep ces ci- cia cib cic cie cii cil cin cip cis cl- cla clb clc cle cli cll cln clp cls cn- cna cnb cnc cne cni cnl cnn cnp cns cpa cpb cpc cpe cpi cpl cpn cpp cps csa csb csc cse csi csl csn csp css eaa eab eac eae eai eal ean eap eas eba ebb ebc ebe ebi ebl ebn ebp ebs ec- eca ecb ecc ece eci ecl ecn ecs eea eeb eec eee eel een eep ees eia eib eic eie eii eil ein eip eis ela elb elc ele eli ell eln elp els en- ena enb enc ene eni enl enn enp ens ep- epa epb epc epe epi epl epn epp eps es- esa esb esc ese esi esl esn esp ess ia- iaa iab iac iae iai ial ian iap ias iba ibb ibc ibe ibi ibl ibn ibp ibs ica icb icc ice ici icl icn icp ics ie- iea iec iee iei iel ien iep ies iia iib iic iie iii iil iin iip iis il- ila ilb ilc ile ili ill iln ilp ils in- ina inb inc ine ini inl inn inp ins ipa ipb ipc ipe ipi ipl ipn ipp ips is- isa isb isc ise isi isl isn isp iss l-p la- laa lab lac lae lai lal lan lap las lba lbb lbc lbe lbi lbl lbp lbs lca lcb lcc lce lci lcl lcn lcp lcs lea leb lec lee lei lel len lep les lia lib lic lie lii lil lin lip lis lla llb llc lle lli lll lln llp lls lna lnb lnc lne lni lnl lnn lnp lns lpa lpb lpc lpe lpi lpl lpn lpp lps lsa lsb lsc lse lsi lsl lsn lsp lss n-i naa nab nac nae nai nal nan nap nas nba nbb nbc nbe nbi nbl nbn nbp nbs nca ncb ncc nce nci ncl ncn ncp ncs ne- nea neb nec nee nei nel nen nep nes nia nib nic nie nii nil nin nip nis nla nlb nlc nle nli nll nln nlp nls nna nnb nnc nne nni nnl nnn nnp nns npa npb npc npe npi npl npn npp nps nsa nsb nsc nse nsi nsl nsn nsp nss p-p paa pab pac pae pai pal pan pap pas pba pbb pbc pbe pbi pbl pbn pbp pbs pca pcb pcc pce pci pcl pcn pcp pcs pea peb pec pee pei pel pen pep pes pia pib pic pie pii pil pin pip pis pla plb plc ple pli pll pln plp pls pn- pna pnb pnc pne pni pnl pnn pnp pns ppa ppb ppc ppe ppi ppl ppn ppp pps ps- psa psb psc pse psi psl psn psp pss saa sab sac sae sai sal san sap sas sba sbb sbc sbe sbi sbl sbn sbp sbs sca scb scc sce sci scl scn scp scs se- sea seb sec see sei sel sen sep ses sia sib sic sie sii sil sin sip sis sla slb slc sle sli sll sln slp sls sna snb snc sne sni snl snn snp sns spa spb spc spe spi spl spn spp sps ss- ssa ssb ssc sse ssi ssl ssn ssp sss