-al a-a a-c aaa aac aal aap aar ac- aca acc acl acp acr al- ala alc all alp alr ap- apa apc apl app apr ar- ara arc arl arp arr c-- caa cac cal cap car cca ccc ccl ccp ccr cl- cla clc cll clp clr cpa cpc cpl cpp cpr cra crc crl crp crr l-p la- laa lac lal lap lar lca lcc lcl lcp lcr lla llc lll llp llr lpa lpc lpl lpp lpr lra lrc lrp lrr p-p paa pac pal pap par pca pcc pcl pcp pcr pla plc pll plp plr ppa ppc ppl ppp ppr pra prc prl prp prr ra- raa rac ral rap rar rca rcc rcl rcp rcr rla rlc rll rlp rlr rpa rpc rpl rpp rpr rra rrc rrl rrp rrr