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# Math help?

I have the leters b, p, r, w, i need combinations of three what are they/ i know one is b,p,r.

### 1 Answer

- Anonymous1 decade agoFavorite Answer
Are you allowed repeats? Is order important?

If so:

bbb, pbb, rbb, wbb, Ibb, bpb, ppb, rpb, wpb, Ipb, brb, prb, rrb, wrb, Irb, bwb, pwb, rwb, wwb, Iwb, bIb, pIb, rIb, wIb, IIb, bbp, pbp, rbp, wbp, Ibp, bpp, ppp, rpp, wpp, Ipp, brp, prp, rrp, wrp, Irp, bwp, pwp, rwp, wwp, Iwp, bIp, pIp, rIp, wIp, IIp, bbr, pbr, rbr, wbr, Ibr, bpr, ppr, rpr, wpr, Ipr, brr, prr, rrr, wrr, Irr, bwr, pwr, rwr, wwr, Iwr, bIr, pIr, rIr, wIr, IIr, bbw, pbw, rbw, wbw, Ibw, bpw, ppw, rpw, wpw, Ipw, brw, prw, rrw, wrw, Irw, bww, pww, rww, www, Iww, bIw, pIw, rIw, wIw, IIw, bbI, pbI, rbI, wbI, IbI, bpI, ppI, rpI, wpI, IpI, brI, prI, rrI, wrI, IrI, bwI, pwI, rwI, wwI, IwI, bII, pII, rII, wII, III, bbb, pbb, rbb, wbb, Ibb, bpb, ppb, rpb, wpb, Ipb, brb, prb, rrb, wrb, Irb, bwb, pwb, rwb, wwb, Iwb, bIb, pIb, rIb, wIb, IIb, bbp, pbp, rbp, wbp, Ibp, bpp, ppp, rpp, wpp, Ipp, brp, prp, rrp, wrp, Irp, bwp, pwp, rwp, wwp, Iwp, bIp, pIp, rIp, wIp, IIp, bbr, pbr, rbr, wbr, Ibr, bpr, ppr, rpr, wpr, Ipr, brr, prr, rrr, wrr, Irr, bwr, pwr, rwr, wwr, Iwr, bIr, pIr, rIr, wIr, IIr, bbw, pbw, rbw, wbw, Ibw, bpw, ppw, rpw, wpw, Ipw, brw, prw, rrw, wrw, Irw, bww, pww, rww, www, Iww, bIw, pIw, rIw, wIw, IIw, bbI, pbI, rbI, wbI, IbI, bpI, ppI, rpI, wpI, IpI, brI, prI, rrI, wrI, IrI, bwI, pwI

If no repeats and you don't care about order then:

bpr, bpw, bpI, brw, brI, bwI, prw, prI, pwI, rwI