a-a a-c a-q aaa aac aae aap aaq ac- aca acc ace acp acq aea aec aee aep aeq ap- apa apc ape app apq aqa aqc aqp c-- caa cac cae cap caq cca ccc cce ccp ce- cea cec cee cep ceq cpa cpc cpe cpp cpq cqa cqc eaa eac eae eap ec- eca ecc ece ecq eea eec eee eep ep- epa epc epe epp epq eqa eqe eqp eqq p-p paa pac pae pap paq pca pcc pce pcp pcq pea pec pee pep ppa ppc ppe ppp ppq pqq qaa qac qap qca qcc qcp qec qee qep qpc qpp qqq