pu3p qu3pw ru3pwe su3p tu3pw
el4pw fl4pwe gl4p hl4pw il4pwe
3b5pwe 4b5p 5b5pw 6b5pwe 7b5p
s25p t25pw u25pwe v25p w25pw
ht6pw it6pwe jt6p kt6pw lt6pwe