>>58984673some numberization of japanese names also use transliterations, like the Tsubasa productions in Idolmaster that is also known by its shortened form "283", so using 1 for "wa" is valid. the only stretch there is using 4 for "mo". the closest i can think of is 0 as in "ma"
2105 would be the closest you can get on shortening Fuwamoco into a number.
