-al -ol a-a a-c aaa aac aae aaf aal aao aap aas ac- aca acc ace acf acl aco acp acs aea aec aee aef ael aeo aep aes af- afa afc afe aff afl afo afp afs al- ala alc ale alf all alo alp als aoa aoc aoe aof aol aoo aop aos ap- apa apc ape apf apl apo app aps as- asa asc ase asf asl aso asp ass c-- caa cac cae caf cal cao cap cas cca ccc cce ccf ccl cco ccp ccs ce- cea cec cee cef cel ceo cep ces cfa cfc cfe cff cfl cfo cfp cfs cl- cla clc cle clf cll clo clp cls co- coa coc coe cof col coo cop cos cpa cpc cpe cpf cpl cpo cpp cps csa csc cse csf csl cso csp css eaa eac eae eaf eal eao eap eas ec- eca ecc ece ecf ecl eco ecs eea eec eee eef eel eeo eep ees ef- efa efc efe eff efl efo efp efs ela elc ele elf ell elo elp els eo- eoa eoc eoe eof eol eoo eop eos ep- epa epc epe epf epl epo epp eps es- esa esc ese esf esl eso esp ess faa fac fae faf fal fao fap fas fca fcc fce fcf fcl fco fcp fcs fea fec fee fef fel feo fep fes ffa ffc ffe fff ffl ffo ffp ffs fla flc fle flf fll flo flp fls foa foc foe fof fol foo fop fos fpa fpc fpe fpl fpo fpp fps fsa fsc fse fsf fsl fso fsp fss l-p la- laa lac lae laf lal lao lap las lca lcc lce lcf lcl lco lcp lcs lea lec lee lef lel leo lep les lfa lfc lfe lff lfl lfo lfp lfs lla llc lle llf lll llo llp lls loa loc loe lof lol loo lop los lpa lpc lpe lpf lpl lpo lpp lps lsa lsc lse lsf lsl lso lsp lss oaa oac oae oaf oal oao oap oas oc- oca occ ocf ocl oco ocp ocs oea oec oee oef oel oeo oep oes of- ofa ofc ofe off ofl ofo ofp ofs ola olc ole olf oll olo olp ols oo- ooa ooc oof ool ooo oop oos op- opa opc ope opf opl opo opp ops os- osa osc ose osf osl oso osp oss p-p paa pac pae paf pal pao pap pas pca pcc pce pcf pcl pco pcp pcs pea pec pee pef pel peo pep pes pfa pfc pfe pff pfl pfo pfp pfs pla plc ple plf pll plo plp pls poa poc poe pof pol poo pop pos ppa ppc ppe ppf ppl ppo ppp pps ps- psa psc pse psf psl pso psp pss saa sac sae saf sal sao sap sas sca scc sce scf scl sco scp scs se- sea sec see sef sel seo sep ses sfa sfc sfe sff sfl sfo sfp sfs sla slc sle slf sll slo slp sls soa soc soe sof sol soo sop sos spa spc spe spf spl spo spp sps ss- ssa ssc sse ssf ssl sso ssp sss