Today I went through a link in Oxford stating
If the verb has only one syllable and ends with a single vowel plus a consonant (e.g. stop), then you need to double the final consonant before adding -ed and -ing:
but then I remembered the words: come and flow.
If we follow this rule it would be comming and flowwing when we add -ing suffix. However it would make the words look strange and alienated cause i have never seen anyone write it like that (at least to the extent of my study). So can you guys help me clarify this situation? Thanks in advance.