-al a-a a-c a-t aaa aac aal aap aar aat ac- aca acc acl acp acr act al- ala alc all alp alr alt ap- apa apc apl app apr apt ar- ara arc arl arp arr art at- ata atc atl atp atr att c-- caa cac cal cap car cat cca ccc ccl ccp ccr cct cl- cla clc cll clp clr clt cpa cpc cpl cpp cpr cpt cra crc crl crp crr crt cta ctc ctl ctp ctr ctt l-p la- laa lac lal lap lar lat lca lcc lcl lcp lcr lct lla llc lll llp llr llt lpa lpc lpl lpp lpr lpt lra lrc lrp lrr lrt lta ltc ltl ltp ltr ltt p-p paa pac pal pap par pat pca pcc pcl pcp pcr pct pla plc pll plp plr plt ppa ppc ppl ppp ppr ppt pra prc prl prp prr prt pt- pta ptc ptl ptp ptr ptt ra- raa rac ral rap rar rat rca rcc rcl rcp rcr rct rla rlc rll rlp rlr rlt rpa rpc rpl rpp rpr rpt rra rrc rrl rrp rrr rrt rta rtc rtl rtp rtr rtt taa tac tal tap tar tat tca tcc tcl tcp tcr tct tla tlc tll tlp tlr tlt tpa tpc tpl tpp tpr tpt tra trc trl trp trr trt tta ttc ttl ttp ttr ttt