-al -ic a-a a-b a-c a-i aaa aab aac aae aaf aai aal aap aas ab- aba abb abc abe abf abi abl abp abs ac- aca acb acc ace acf aci acl acp acs aea aeb aec aee aef aei ael aep aes af- afa afb afc afe aff afi afl afp afs ai- aia aib aic aie aif aii ail aip ais al- ala alb alc ale alf ali all alp als ap- apa apb apc ape apf api apl app aps as- asa asb asc ase asf asi asl asp ass b-p baa bab bac bae baf bai bal bap bas bba bbb bbc bbe bbf bbi bbl bbp bbs bca bcb bcc bce bcf bci bcl bcp bcs be- bea beb bec bee bef bei bel bep bes bfa bfb bfc bfe bff bfi bfl bfp bfs bi- bia bib bic bie bif bii bil bip bis bla blb blc ble blf bli bll blp bls bpa bpb bpc bpe bpf bpi bpl bpp bps bsa bsb bsc bse bsf bsi bsl bsp bss c-- caa cab cac cae caf cai cal cap cas cba cbb cbc cbe cbf cbi cbl cbp cbs cca ccb ccc cce ccf cci ccl ccp ccs ce- cea ceb cec cee cef cei cel cep ces cfa cfb cfc cfe cff cfi cfl cfp cfs ci- cia cib cic cie cif cii cil cip cis cl- cla clb clc cle clf cli cll clp cls cpa cpb cpc cpe cpf cpi cpl cpp cps csa csb csc cse csf csi csl csp css eaa eab eac eae eaf eai eal eap eas eba ebb ebc ebe ebf ebi ebl ebp ebs ec- eca ecb ecc ece ecf eci ecl ecs eea eeb eec eee eef eel eep ees ef- efa efb efc efe eff efi efl efp efs eia eib eic eie eif eii eil eip eis ela elb elc ele elf eli ell elp els ep- epa epb epc epe epf epi epl epp eps es- esa esb esc ese esf esi esl esp ess faa fab fac fae faf fai fal fap fas fba fbb fbc fbe fbf fbi fbl fbp fbs fca fcb fcc fce fcf fci fcl fcp fcs fea feb fec fee fef fei fel fep fes ffa ffc ffe fff ffi ffl ffp ffs fia fib fic fie fif fii fil fip fis fla flb flc fle flf fli fll flp fls fpa fpb fpc fpe fpi fpl fpp fps fsa fsb fsc fse fsf fsi fsl fsp fss i-f ia- iaa iab iac iae iaf iai ial iap ias iba ibb ibc ibe ibf ibi ibl ibp ibs ica icb icc ice icf ici icl icp ics ie- iea iec iee ief iei iel iep ies ifa ifb ifc ife iff ifi ifl ifp ifs iia iib iic iie iif iii iil iip iis il- ila ilb ilc ile ilf ili ill ilp ils ipa ipb ipc ipe ipf ipi ipl ipp ips is- isa isb isc ise isf isi isl isp iss l-p la- laa lab lac lae laf lai lal lap las lba lbb lbc lbe lbf lbi lbl lbp lbs lca lcb lcc lce lcf lci lcl lcp lcs lea leb lec lee lef lei lel lep les lfa lfb lfc lfe lff lfi lfl lfp lfs lia lib lic lie lif lii lil lip lis lla llb llc lle llf lli lll llp lls lpa lpb lpc lpe lpf lpi lpl lpp lps lsa lsb lsc lse lsf lsi lsl lsp lss p-p paa pab pac pae paf pai pal pap pas pba pbb pbc pbe pbf pbi pbl pbp pbs pca pcb pcc pce pcf pci pcl pcp pcs pea peb pec pee pef pei pel pep pes pfa pfb pfc pfe pff pfi pfl pfp pfs pia pib pic pie pif pii pil pip pis pla plb plc ple plf pli pll plp pls ppa ppb ppc ppe ppf ppi ppl ppp pps ps- psa psb psc pse psf psi psl psp pss saa sab sac sae saf sai sal sap sas sba sbb sbc sbe sbf sbi sbl sbp sbs sca scb scc sce scf sci scl scp scs se- sea seb sec see sef sei sel sep ses sfa sfb sfc sfe sff sfi sfl sfp sfs sia sib sic sie sif sii sil sip sis sla slb slc sle slf sli sll slp sls spa spb spc spe spf spi spl spp sps ss- ssa ssb ssc sse ssf ssi ssl ssp sss