-er a-a a-c a-z aaa aac aae aaj aar aaz ac- aca acc ace acj acr acz aea aec aee aej aer aez aja ajc aje ajj ajr ar- ara arc are arj arr arz az- aza aze azz c-- c-j caa cac cae caj car caz cca ccc cce ccj ccr ccz ce- cea cec cee cej cer cez cja cjc cjr cra crc cre crj crr crz cz- czc cze czj eaa eac eae eaj ear eaz ec- eca ecc ece ecj ecr eea eec eee eer eja ejc era erc ere err erz eze ezr ezz j-z jaa jac jae jaj jar jaz jca jcc jce jcr jea jec jee jej jer jez jja jjc jjj jjr jra jrc jrr jrz ra- raa rac rae raj rar raz rca rcc rce rcj rcr re- rea rec ree rer rez rja rjc rjr rra rrc rrr rza rze zaa zac zaj zar zaz zce zea zec zee zer zez zje zzr zzz