-al a-a a-c aaa aac aae aah aal aas ac- aca acc ace ach acl acs aea aec aee aeh ael aes aha ahc ahe ahh ahl ahs al- ala alc ale alh all als as- asa asc ase ash asl ass c-- caa cac cae cah cal cas cca ccc cce cch ccl ccs ce- cea cec cee ceh cel ces ch- cha chc che chh chl chs cl- cla clc cle clh cll cls csa csc cse csh csl css eaa eac eae eah eal eas ec- eca ecc ece ech ecl ecs eea eec eee eel ees eha ehc ehe ehh ehl ehs ela elc ele elh ell els es- esa esc ese esh esl ess haa hac hae hah hal has hca hcc hce hch hcl hcs he- hea hec hee heh hel hes hha hhc hhe hhh hhl hhs hla hlc hle hlh hll hls hsa hsc hse hsh hsl hss la- laa lac lae lah lal las lca lcc lce lch lcl lcs lea lec lee leh lel les lha lhc lhh lhs lla llc lle lll lls lsa lsc lse lsh lsl lss saa sac sae sah sal sas sca scc sce sch scl scs se- sea sec see seh sel ses sh- sha shc she shh shl shs sla slc sle slh sll sls ss- ssa ssc sse ssh ssl sss