a-a a-c aaa aac aae aah aap aas ac- aca acc ace ach acp acs aea aec aee aeh aep aes aha ahc ahe ahh ahp ahs ap- apa apc ape aph app aps as- asa asc ase ash asp ass c-- caa cac cae cah cap cas cca ccc cce cch ccp ccs ce- cea cec cee ceh cep ces ch- cha chc che chh chp chs cpa cpc cpe cph cpp cps csa csc cse csh csp css eaa eac eae eah eap eas ec- eca ecc ece ech ecs eea eec eee eep ees eha ehc ehe ehh ehp ehs ep- epa epc epe eph epp eps es- esa esc ese esh esp ess haa hac hae hah hap has hca hcc hce hch hcp hcs he- hea hec hee heh hep hes hha hhc hhe hhh hhp hhs hpa hpc hpe hph hpp hps hsa hsc hse hsh hsp hss p-p paa pac pae pah pap pas pca pcc pce pch pcp pcs pea pec pee peh pep pes pha phc phe php phs ppa ppc ppe pph ppp pps ps- psa psc pse psh psp pss saa sac sae sah sap sas sca scc sce sch scp scs se- sea sec see seh sep ses sh- sha shc she shh shp shs spa spc spe sph spp sps ss- ssa ssc sse ssh ssp sss