bcqn5 ccqn5o dcqn ecqn5 fcqn5o
02qn5o 12qn 22qn5 32qn5o 42qn
ptrn qtrn5 rtrn5o strn ttrn5
eksn5 fksn5o gksn hksn5 iksn5o
3atn5o 4atn 5atn5 6atn5o 7atn