-er -ey a-a a-c a-t aaa aac aae aap aar aat aay ac- aca acc ace acp acr act acy aea aec aee aep aer aet aey ap- apa apc ape app apr apt apy ar- ara arc are arp arr art ary at- ata atc ate atp atr att ay- aya ayc aye ayp ayr ayt c-- caa cac cae cap car cat cay cca ccc cce ccp ccr cct ce- cea cec cee cep cer cet cey cpa cpc cpe cpp cpr cpt cra crc cre crp crr crt cry cta ctc cte ctp ctr ctt cty cya cyc cye cyp cyr cyt eaa eac eae eap ear eat ec- eca ecc ece ecr ect eea eec eee eep eer eet eey ep- epa epc epe epp epr ept era erc ere erp err ert ery eta etc ete etp etr ett ety eya eyc eye eyp eyr eyt p-p paa pac pae pap par pat pay pca pcc pce pcp pcr pct pea pec pee pep per pet pey ppa ppc ppe ppp ppr ppt pra prc pre prp prr prt pry pt- pta ptc pte ptp ptr ptt pty py- pya pyc pye pyr pyt ra- raa rac rae rap rar rat ray rca rcc rce rcp rcr rct re- rea rec ree rep rer ret rey rpa rpc rpe rpp rpr rpt rra rrc rrp rrr rrt rta rtc rte rtp rtr rtt rty ry- rya ryc rye ryr ryy taa tac tae tap tar tat tay tca tcc tce tcp tcr tct te- tea tec tee tep ter tet tey tpa tpc tpe tpp tpr tpt tra trc tre trp trr trt try tta ttc tte ttp ttr ttt tty tya tyc tye typ tyr tyt yaa yac yae yap yar yat yay yca ycc yce ycp ycy yea yec yee yep yer yet yey ypa yra yrc yre yrp yrt yta ytc yte ytp ytr ytt yyc yye yyt yyy