-er a-a a-c a-t aaa aac aae aaj aar aat ac- aca acc ace acj acr act aea aec aee aej aer aet aja ajc aje ajj ajr ajt ar- ara arc are arj arr art at- ata atc ate atr att c-- c-j caa cac cae caj car cat cca ccc cce ccj ccr cct ce- cea cec cee cej cer cet cja cjc cjr cra crc cre crj crr crt cta ctc cte ctr ctt eaa eac eae eaj ear eat ec- eca ecc ece ecj ecr ect eea eec eee eer eet eja ejc ejt era erc ere err ert eta etc ete etj etr ett jaa jac jae jaj jar jat jca jcc jce jcr jct jea jec jee jej jer jet jja jjc jjj jjr jra jrc jrr jrt jta jtc jte jtr jtt ra- raa rac rae raj rar rat rca rcc rce rcj rcr rct re- rea rec ree rer ret rja rjc rjr rra rrc rrr rrt rta rtc rte rtj rtr rtt taa tac tae taj tar tat tca tcc tce tcj tcr tct te- tea tec tee tej ter tet tjc tje tjr tra trc tre trr trt tta ttc tte ttr ttt