-al -ic -ol a-a a-c a-i aaa aac aae aaf aai aal aao aap aas ac- aca acc ace acf aci acl aco acp acs aea aec aee aef aei ael aeo aep aes af- afa afc afe aff afi afl afo afp afs ai- aia aic aie aif aii ail aio aip ais al- ala alc ale alf ali all alo alp als aoa aoc aoe aof aoi aol aoo aop aos ap- apa apc ape apf api apl apo app aps as- asa asc ase asf asi asl aso asp ass c-- caa cac cae caf cai cal cao cap cas cca ccc cce ccf cci ccl cco ccp ccs ce- cea cec cee cef cei cel ceo cep ces cfa cfc cfe cff cfi cfl cfo cfp cfs ci- cia cic cie cif cii cil cio cip cis cl- cla clc cle clf cli cll clo clp cls co- coa coc coe cof coi col coo cop cos cpa cpc cpe cpf cpi cpl cpo cpp cps csa csc cse csf csi csl cso csp css eaa eac eae eaf eai eal eao eap eas ec- eca ecc ece ecf eci ecl eco ecs eea eec eee eef eel eeo eep ees ef- efa efc efe eff efi efl efo efp efs eia eic eie eif eii eil eio eip eis ela elc ele elf eli ell elo elp els eo- eoa eoc eoe eof eoi eol eoo eop eos ep- epa epc epe epf epi epl epo epp eps es- esa esc ese esf esi esl eso esp ess faa fac fae faf fai fal fao fap fas fca fcc fce fcf fci fcl fco fcp fcs fea fec fee fef fei fel feo fep fes ffa ffc ffe fff ffi ffl ffo ffp ffs fia fic fie fif fii fil fip fis fla flc fle flf fli fll flo flp fls foa foc foe fof foi fol foo fop fos fpa fpc fpe fpi fpl fpo fpp fps fsa fsc fse fsf fsi fsl fso fsp fss i-f ia- iaa iac iae iaf iai ial iao iap ias ica icc ice icf ici icl ico icp ics ie- iea iec iee ief iei iel iep ies ifa ifc ife iff ifi ifl ifo ifp ifs iia iic iie iif iii iil iio iip iis il- ila ilc ile ilf ili ill ilo ilp ils io- ioa ioc ioe iof ioi iol ioo iop ios ipa ipc ipe ipf ipi ipl ipo ipp ips is- isa isc ise isf isi isl iso isp iss l-p la- laa lac lae laf lai lal lao lap las lca lcc lce lcf lci lcl lco lcp lcs lea lec lee lef lei lel leo lep les lfa lfc lfe lff lfi lfl lfo lfp lfs lia lic lie lif lii lil lio lip lis lla llc lle llf lli lll llo llp lls loa loc loe lof loi lol loo lop los lpa lpc lpe lpf lpi lpl lpo lpp lps lsa lsc lse lsf lsi lsl lso lsp lss o-i oaa oac oae oaf oai oal oao oap oas oc- oca occ ocf oci ocl oco ocp ocs oea oec oee oef oei oel oeo oep oes of- ofa ofc ofe off ofi ofl ofo ofp ofs oia oic oie oif oii oil oio oip ois ola olc ole olf oli oll olo olp ols oo- ooa ooc oof ooi ool ooo oop oos op- opa opc ope opf opi opl opo opp ops os- osa osc ose osf osi osl oso osp oss p-p paa pac pae paf pai pal pao pap pas pca pcc pce pcf pci pcl pco pcp pcs pea pec pee pef pei pel peo pep pes pfa pfc pfe pff pfi pfl pfo pfp pfs pia pic pie pif pii pil pio pip pis pla plc ple plf pli pll plo plp pls poa poc poe pof poi pol poo pop pos ppa ppc ppe ppf ppi ppl ppo ppp pps ps- psa psc pse psf psi psl pso psp pss saa sac sae saf sai sal sao sap sas sca scc sce scf sci scl sco scp scs se- sea sec see sef sei sel seo sep ses sfa sfc sfe sff sfi sfl sfo sfp sfs sia sic sie sif sii sil sio sip sis sla slc sle slf sli sll slo slp sls soa soc soe sof soi sol soo sop sos spa spc spe spf spi spl spo spp sps ss- ssa ssc sse ssf ssi ssl sso ssp sss