select
'a' collate utf8_czech_ci < 'á',
'áa' collate utf8_czech_ci < 'ab',
'á' collate utf8_czech_ci < 'ä',
'äa' collate utf8_czech_ci < 'áb',
'c' collate utf8_czech_ci < 'č',
'cb' collate utf8_czech_ci < 'ča',
'd' collate utf8_czech_ci < 'ď',
'ďa' collate utf8_czech_ci < 'db',
'e' collate utf8_czech_ci < 'é',
'éa' collate utf8_czech_ci < 'eb',
'é' collate utf8_czech_ci < 'ě',
'ěa' collate utf8_czech_ci < 'éb',
'i' collate utf8_czech_ci < 'í',
'ía' collate utf8_czech_ci < 'ib',
'n' collate utf8_czech_ci < 'ň',
'ňa' collate utf8_czech_ci < 'nb',
'o' collate utf8_czech_ci < 'ó',
'óa' collate utf8_czech_ci < 'ob',
'ó' collate utf8_czech_ci < 'ö',
'öa' collate utf8_czech_ci < 'ób',
'r' collate utf8_czech_ci < 'ř',
'rb' collate utf8_czech_ci < 'řa',
's' collate utf8_czech_ci < 'š',
'sb' collate utf8_czech_ci < 'ša',
't' collate utf8_czech_ci < 'ť',
'ťa' collate utf8_czech_ci < 'tb',
'u' collate utf8_czech_ci < 'ú',
'úa' collate utf8_czech_ci < 'ub',
'ú' collate utf8_czech_ci < 'ů',
'ůa' collate utf8_czech_ci < 'úb',
'ů' collate utf8_czech_ci < 'ü',
'üa' collate utf8_czech_ci < 'ůb',
'y' collate utf8_czech_ci < 'ý',
'ýa' collate utf8_czech_ci < 'yb',
'z' collate utf8_czech_ci < 'ž',
'zb' collate utf8_czech_ci < 'ža',
'hž' collate utf8_czech_ci < 'ch',
'chž' collate utf8_czech_ci < 'i'
\G
