what / that thing (used in place of words you can't remember at the moment.)

what number, how many (used with a counter) / (used with も) many (used with a counter)

something

nothing

what is this?

if you don't mind, if you like, if you're so inclined

above all / no matter how you say it / at any rate / after all is said and done

a doss-house, cheap lodging, a flophouse, especially in a skid row area or slum / a hangout or meeting place for criminal gangs

The hiragana syllable ど𛅒 (dwo). Its equivalent in katakana is ド𛅦 (dwo).

(onomatopoeia, informal) flowing thickly