sound/ortho changes

the > th('), thcat /ðgæ~θkæ/ "the cat"

sl_ > ø_, sleep > eep

ght > gh, night > nigh / right > righ

/aj > ej/, hai > hoi

/ej > oj/, hei > hoi

/ij > oj/, .

/h_ > ø_/, he > e / her > er

/VtV > VʔV/ wa/t/er > wa/ʔ/er