-er a-a a-c a-t aaa aac aae aaj aap aar aat ac- aca acc ace acj acp acr act aea aec aee aej aep aer aet aja ajc aje ajj ajp ajr ajt ap- apa apc ape apj app apr apt ar- ara arc are arj arp arr art at- ata atc ate atp atr att c-- c-j caa cac cae caj cap car cat cca ccc cce ccj ccp ccr cct ce- cea cec cee cej cep cer cet cja cjc cjp cjr cpa cpc cpe cpj cpp cpr cpt cra crc cre crj crp crr crt cta ctc cte ctp ctr ctt eaa eac eae eaj eap ear eat ec- eca ecc ece ecj ecr ect eea eec eee eep eer eet eja ejc ejp ejt ep- epa epc epe epp epr ept era erc ere erp err ert eta etc ete etj etp etr ett jaa jac jae jaj jap jar jat jca jcc jce jcp jcr jct jea jec jee jej jep jer jet jja jjc jjj jjp jjr jpa jpc jpe jpj jpp jpr jpt jra jrc jrp jrr jrt jta jtc jte jtp jtr jtt p-p paa pac pae paj pap par pat pca pcc pce pcj pcp pcr pct pea pec pee pep per pet pja pjc pjp ppa ppc ppe ppj ppp ppr ppt pra prc pre prp prr prt pt- pta ptc pte ptj ptp ptr ptt ra- raa rac rae raj rap rar rat rca rcc rce rcj rcp rcr rct re- rea rec ree rep rer ret rja rjc rjp rjr rpa rpc rpe rpp rpr rpt rra rrc rrp rrr rrt rta rtc rte rtj rtp rtr rtt taa tac tae taj tap tar tat tca tcc tce tcj tcp tcr tct te- tea tec tee tej tep ter tet tjc tje tjp tjr tpa tpc tpe tpj tpp tpr tpt tra trc tre trp trr trt tta ttc tte ttp ttr ttt