Class 1: pAAAA, pCCCC, pGGGG, pTTTT
Class 2: pAAAC, pAAAG, pAAAT, pAACA, pAAGA, pAATA, pACAA, pAGAA, pATAA, pCACC, pCCAC, pCCCA, pCCCG, pCCCT, pCCGC, pCCTC, pCGCC, pCTCC, pGAGG, pGCGG, pGGAG, pGGCG, pGGGA, pGGGC, pGGGT, pGGTG, pGTGG, pTATT, pTCTT, pTGTT, pTTAT, pTTCT, pTTGT, pTTTA, pTTTC, pTTTG
Class 3: pAACC, pAAGG, pAATT, pACAC, pACCA, pAGAG, pAGGA, pATAT, pATTA, pCAAC, pCACA, pCCAA, pCCGG, pCCTT, pCGCG, pCGGC, pCTCT, pCTTC, pGAAG, pGAGA, pGCCG, pGCGC, pGGAA, pGGCC, pGGTT, pGTGT, pGTTG, pTAAT, pTATA, pTCCT, pTCTC, pTGGT, pTGTG, pTTAA, pTTCC, pTTGG
Class 4: pAACG, pAACT, pAAGC, pAAGT, pAATC, pAATG, pACAG, pACAT, pACGA, pACTA, pAGAC, pAGAT, pAGCA, pAGTA, pATAC, pATAG, pATCA, pATGA, pCACG, pCACT, pCAGC, pCATC, pCCAG, pCCAT, pCCGA, pCCGT, pCCTA, pCCTG, pCGAC, pCGCA, pCGCT, pCGTC, pCTAC, pCTCA, pCTCG, pCTGC, pGACG, pGAGC, pGAGT, pGATG, pGCAG, pGCGA, pGCGT, pGCTG, pGGAC, pGGAT, pGGCA, pGGCT, pGGTA, pGGTC, pGTAG, pGTCG, pGTGA, pGTGC, pTACT, pTAGT, pTATC, pTATG, pTCAT, pTCGT, pTCTA, pTCTG, pTGAT, pTGCT, pTGTA, pTGTC, pTTAC, pTTAG, pTTCA, pTTCG, pTTGA, pTTGC
Class 5: pACCC, pAGGG, pATTT, pCAAA, pCGGG, pCTTT, pGAAA, pGCCC, pGTTT, pTAAA, pTCCC, pTGGG
Class 6: pACCG, pACCT, pACGC, pACGG, pACTC, pACTT, pAGCC, pAGCG, pAGGC, pAGGT, pAGTG, pAGTT, pATCC, pATCT, pATGG, pATGT, pATTC, pATTG, pCAAG, pCAAT, pCAGA, pCAGG, pCATA, pCATT, pCGAA, pCGAG, pCGGA, pCGGT, pCGTG, pCGTT, pCTAA, pCTAT, pCTGG, pCTGT, pCTTA, pCTTG, pGAAC, pGAAT, pGACA, pGACC, pGATA, pGATT, pGCAA, pGCAC, pGCCA, pGCCT, pGCTC, pGCTT, pGTAA, pGTAT, pGTCC, pGTCT, pGTTA, pGTTC, pTAAC, pTAAG, pTACA, pTACC, pTAGA, pTAGG, pTCAA, pTCAC, pTCCA, pTCCG, pTCGC, pTCGG, pTGAA, pTGAG, pTGCC, pTGCG, pTGGA, pTGGC
Class 7: pACGT, pACTG, pAGCT, pAGTC, pATCG, pATGC, pCAGT, pCATG, pCGAT, pCGTA, pCTAG, pCTGA, pGACT, pGATC, pGCAT, pGCTA, pGTAC, pGTCA, pTACG, pTAGC, pTCAG, pTCGA, pTGAC, pTGCA