-al -er a-a a-c aaa aac aae aal aap aar ac- aca acc ace acl acp acr aea aec aee ael aep aer al- ala alc ale all alp alr ap- apa apc ape apl app apr ar- ara arc are arl arp arr c-- caa cac cae cal cap car cca ccc cce ccl ccp ccr ce- cea cec cee cel cep cer cl- cla clc cle cll clp clr cpa cpc cpe cpl cpp cpr cra crc cre crl crp crr eaa eac eae eal eap ear ec- eca ecc ece ecl ecr eea eec eee eel eep eer ela elc ele ell elp elr ep- epa epc epe epl epp epr era erc ere erl erp err l-p la- laa lac lae lal lap lar lca lcc lce lcl lcp lcr lea lec lee lel lep ler lla llc lle lll llp llr lpa lpc lpe lpl lpp lpr lra lrc lrp lrr p-p paa pac pae pal pap par pca pcc pce pcl pcp pcr pea pec pee pel pep per pla plc ple pll plp plr ppa ppc ppe ppl ppp ppr pra prc pre prl prp prr ra- raa rac rae ral rap rar rca rcc rce rcl rcp rcr re- rea rec ree rel rep rer rla rlc rle rll rlp rlr rpa rpc rpe rpl rpp rpr rra rrc rrl rrp rrr