For the time being, assume that since you only worked on your brake system at the wheel, rule out the master for the time being.
First off, I have found that despite thinking you have all the air out of the system, that is almost never the case, and the only foolproof way of bleeding the system is with a power bleeder, or Handy Vac pump at each wheel cylinder.
The next thing to remember is that ALL the individual brakes have to be adjusted for minimum takeup. The MC itself moves very little fluid with each stroke, so if one or more brake shoes have excessive gap, all the fluid (as in 'pedal goes to the floor') is used to just move them outward, but still not coming up against the drum. Each shoe not yet to the drum will require more pedal travel (and fluid) until they are all to the drum (within each circuit)
A pedal going to the floor, and not able to be pumped up is usually indicative of a bad check valve of the end of the MC piston, but that doesn't sound like your porblem.
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