a-a a-c aaa aac aae aaf aah aap aas ac- aca acc ace acf ach acp acs aea aec aee aef aeh aep aes af- afa afc afe aff afh afp afs aha ahc ahe ahf ahh ahp ahs ap- apa apc ape apf aph app aps as- asa asc ase asf ash asp ass c-- caa cac cae caf cah cap cas cca ccc cce ccf cch ccp ccs ce- cea cec cee cef ceh cep ces cfa cfc cfe cff cfh cfp cfs ch- cha chc che chf chh chp chs cpa cpc cpe cpf cph cpp cps csa csc cse csf csh csp css eaa eac eae eaf eah eap eas ec- eca ecc ece ecf ech ecs eea eec eee eef eep ees ef- efa efc efe eff efh efp efs eha ehc ehe ehf ehh ehp ehs ep- epa epc epe epf eph epp eps es- esa esc ese esf esh esp ess faa fac fae faf fah fap fas fca fcc fce fcf fcp fcs fea fec fee fef feh fep fes ffa ffc ffe fff ffh ffp ffs fha fhc fhe fhf fhh fhp fhs fpa fpc fpe fph fpp fps fsa fsc fse fsf fsh fsp fss haa hac hae haf hah hap has hca hcc hce hcf hch hcp hcs he- hea hec hee hef heh hep hes hfa hfc hfe hff hfh hfp hfs hha hhc hhe hhf hhh hhp hhs hpa hpc hpe hpf hph hpp hps hsa hsc hse hsf hsh hsp hss p-p paa pac pae paf pah pap pas pca pcc pce pcf pch pcp pcs pea pec pee pef peh pep pes pfa pfc pfe pff pfp pfs pha phc phe phf php phs ppa ppc ppe ppf pph ppp pps ps- psa psc pse psf psh psp pss saa sac sae saf sah sap sas sca scc sce scf sch scp scs se- sea sec see sef seh sep ses sfa sfc sfe sff sfh sfp sfs sh- sha shc she shf shh shp shs spa spc spe spf sph spp sps ss- ssa ssc sse ssf ssh ssp sss