-al -ol a-a a-c a-t aaa aac aal aao aap aat ac- aca acc acl aco acp act al- ala alc all alo alp alt aoa aoc aol aoo aop aot ap- apa apc apl apo app apt at- ata atc atl ato atp att c-- caa cac cal cao cap cat cca ccc ccl cco ccp cct cl- cla clc cll clo clp clt co- coa coc col coo cop cot cpa cpc cpl cpo cpp cpt cta ctc ctl cto ctp ctt l-p la- laa lac lal lao lap lat lca lcc lcl lco lcp lct lla llc lll llo llp llt loa loc lol loo lop lot lpa lpc lpl lpo lpp lpt lta ltc ltl lto ltp ltt oaa oac oal oao oap oat oc- oca occ ocl oco ocp oct ola olc oll olo olp olt oo- ooa ooc ool ooo oop oot op- opa opc opl opo opp opt ot- ota otc otl oto otp ott p-p paa pac pal pao pap pat pca pcc pcl pco pcp pct pla plc pll plo plp plt poa poc pol poo pop pot ppa ppc ppl ppo ppp ppt pt- pta ptc ptl pto ptp ptt taa tac tal tao tap tat tca tcc tcl tco tcp tct tla tlc tll tlo tlp tlt to- toa toc tol too top tot tpa tpc tpl tpo tpp tpt tta ttc ttl tto ttp ttt