-al a-a a-c a-t aaa aac aal aap aat ac- aca acc acl acp act al- ala alc all alp alt ap- apa apc apl app apt at- ata atc atl atp att c-- caa cac cal cap cat cca ccc ccl ccp cct cl- cla clc cll clp clt cpa cpc cpl cpp cpt cta ctc ctl ctp ctt l-p la- laa lac lal lap lat lca lcc lcl lcp lct lla llc lll llp llt lpa lpc lpl lpp lpt lta ltc ltl ltp ltt p-p paa pac pal pap pat pca pcc pcl pcp pct pla plc pll plp plt ppa ppc ppl ppp ppt pt- pta ptc ptl ptp ptt taa tac tal tap tat tca tcc tcl tcp tct tla tlc tll tlp tlt tpa tpc tpl tpp tpt tta ttc ttl ttp ttt