-al -ol a-a a-c a-t aaa aac aal aao aap aas aat ac- aca acc acl aco acp acs act al- ala alc all alo alp als alt aoa aoc aol aoo aop aos aot ap- apa apc apl apo app aps apt as- asa asc asl aso asp ass ast at- ata atc atl ato atp ats att c-- caa cac cal cao cap cas cat cca ccc ccl cco ccp ccs cct cl- cla clc cll clo clp cls clt co- coa coc col coo cop cos cot cpa cpc cpl cpo cpp cps cpt csa csc csl cso csp css cst cta ctc ctl cto ctp cts ctt l-p la- laa lac lal lao lap las lat lca lcc lcl lco lcp lcs lct lla llc lll llo llp lls llt loa loc lol loo lop los lot lpa lpc lpl lpo lpp lps lpt lsa lsc lsl lso lsp lss lst lta ltc ltl lto ltp lts ltt oaa oac oal oao oap oas oat oc- oca occ ocl oco ocp ocs oct ola olc oll olo olp ols olt oo- ooa ooc ool ooo oop oos oot op- opa opc opl opo opp ops opt os- osa osc osl oso osp oss ost ot- ota otc otl oto otp ots ott p-p paa pac pal pao pap pas pat pca pcc pcl pco pcp pcs pct pla plc pll plo plp pls plt poa poc pol poo pop pos pot ppa ppc ppl ppo ppp pps ppt ps- psa psc psl pso psp pss pst pt- pta ptc ptl pto ptp pts ptt saa sac sal sao sap sas sat sca scc scl sco scp scs sct sla slc sll slo slp sls slt soa soc sol soo sop sos sot spa spc spl spo spp sps spt ss- ssa ssc ssl sso ssp sss sst sta stc stl sto stp sts stt taa tac tal tao tap tas tat tca tcc tcl tco tcp tcs tct tla tlc tll tlo tlp tls tlt to- toa toc tol too top tos tot tpa tpc tpl tpo tpp tps tpt tsa tsc tsl tso tsp tss tst tta ttc ttl tto ttp tts ttt