How do you say without in french?

sans la moindre idée

or

sans le moindre indice

or

sans la moindre piste

pronunciations:

sah[n] lah mweh[n]-dree-day

sah[n] luh mweh[n]-dreh[n]-deece

sah[n] lah mweh[n]-druh peest

(The [n] is not pronounced. It shows that the preceding vowel is nasal.)