-al -ol a-a a-c aaa aac aah aal aao ac- aca acc ach acl aco aha ahc ahh ahl aho al- ala alc alh all alo aoa aoc aoh aol aoo c-- caa cac cah cal cao cca ccc cch ccl cco ch- cha chc chh chl cho cl- cla clc clh cll clo co- coa coc coh col coo haa hac hah hal hao hca hcc hch hcl hco hha hhc hhh hhl hho hla hlc hlh hll hlo hoa hoc hoh hol hoo la- laa lac lah lal lao lca lcc lch lcl lco lha lhc lhh lho lla llc lll llo loa loc loh lol loo oaa oac oah oal oao oc- oca occ och ocl oco oha ohc ohh ohl oho ola olc oll olo oo- ooa ooc ooh ool ooo