-al -ol a-a a-c aaa aac aae aah aal aao ac- aca acc ace ach acl aco aea aec aee aeh ael aeo aha ahc ahe ahh ahl aho al- ala alc ale alh all alo aoa aoc aoe aoh aol aoo c-- caa cac cae cah cal cao cca ccc cce cch ccl cco ce- cea cec cee ceh cel ceo ch- cha chc che chh chl cho cl- cla clc cle clh cll clo co- coa coc coe coh col coo eaa eac eae eah eal eao ec- eca ecc ece ech ecl eco eea eec eee eel eeo eha ehc ehe ehh ehl eho ela elc ele elh ell elo eo- eoa eoc eoe eoh eol eoo haa hac hae hah hal hao hca hcc hce hch hcl hco he- hea hec hee heh hel heo hha hhc hhe hhh hhl hho hla hlc hle hlh hll hlo hoa hoc hoe hoh hol hoo la- laa lac lae lah lal lao lca lcc lce lch lcl lco lea lec lee leh lel leo lha lhc lhh lho lla llc lle lll llo loa loc loe loh lol loo oaa oac oae oah oal oao oc- oca occ och ocl oco oea oec oee oeh oel oeo oha ohc ohe ohh ohl oho ola olc ole oll olo oo- ooa ooc ooh ool ooo