Some alphabets today, such as the Hanuno'o script, are learned one letter at a time, in no particular order, and are not used for collation where a definite order is required.
sˌʌm ˈælfəbˌɛts tədˈeɪ, sˈʌtʃ ɐz ðə hˈænənˌɑːoʊ skɹˈɪpt, ɑːɹ lˈɜːnd wˈʌn lˈɛɾɚɹ æɾə tˈaɪm, ɪn nˈoʊ pɚtˈɪkjʊlɚɹ ˈɔːɹdɚ, ænd ɑːɹ nˌɑːt jˈuːzd fɔːɹ kəlˈeɪʃən wˌɛɹ ɐ dˈɛfɪnət ˈɔːɹdɚɹ ɪz ɹᵻkwˈaɪɚd.