Picture the nuptial fair, Antequera 1693-9:
Homogamy (like-marry-like) was the rule
peaks: Ss, Ii, Ll
knoll: Mm
Heterogamy was uncommon:
canyons: Is, Si, Ls, Sl
sunken plain:Im, mI, Ml, Lm
Heterogamy knolls
Li (but not Il), Sm, Ms
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