-al -ol a-a a-c a-t aaa aac aal aao aap aar aas aat ac- aca acc acl aco acp acr acs act al- ala alc all alo alp alr als alt aoa aoc aol aoo aop aor aos aot ap- apa apc apl apo app apr aps apt ar- ara arc arl aro arp arr ars art as- asa asc asl aso asp asr ass ast at- ata atc atl ato atp atr ats att c-- caa cac cal cao cap car cas cat cca ccc ccl cco ccp ccr ccs cct cl- cla clc cll clo clp clr cls clt co- coa coc col coo cop cor cos cot cpa cpc cpl cpo cpp cpr cps cpt cra crc crl cro crp crr crs crt csa csc csl cso csp csr css cst cta ctc ctl cto ctp ctr cts ctt l-p la- laa lac lal lao lap lar las lat lca lcc lcl lco lcp lcr lcs lct lla llc lll llo llp llr lls llt loa loc lol loo lop lor los lot lpa lpc lpl lpo lpp lpr lps lpt lra lrc lro lrp lrr lrs lrt lsa lsc lsl lso lsp lsr lss lst lta ltc ltl lto ltp ltr lts ltt oaa oac oal oao oap oar oas oat oc- oca occ ocl oco ocp ocr ocs oct ola olc oll olo olp ols olt oo- ooa ooc ool ooo oop oor oos oot op- opa opc opl opo opp opr ops opt or- ora orc orl oro orp orr ors ort os- osa osc osl oso osp osr oss ost ot- ota otc otl oto otp otr ots ott p-p paa pac pal pao pap par pas pat pca pcc pcl pco pcp pcr pcs pct pla plc pll plo plp plr pls plt poa poc pol poo pop por pos pot ppa ppc ppl ppo ppp ppr pps ppt pra prc prl pro prp prr prs prt ps- psa psc psl pso psp psr pss pst pt- pta ptc ptl pto ptp ptr pts ptt ra- raa rac ral rao rap rar ras rat rca rcc rcl rco rcp rcr rcs rct rla rlc rll rlo rlp rlr rls rlt roa roc rol roo rop ror ros rot rpa rpc rpl rpo rpp rpr rps rpt rra rrc rrl rrp rrr rrs rrt rsa rsc rsl rso rsp rsr rss rst rta rtc rtl rto rtp rtr rts rtt saa sac sal sao sap sar sas sat sca scc scl sco scp scr scs sct sla slc sll slo slp slr sls slt soa soc sol soo sop sor sos sot spa spc spl spo spp spr sps spt sr- sra src srl sro srp srr srs srt ss- ssa ssc ssl sso ssp ssr sss sst sta stc stl sto stp str sts stt taa tac tal tao tap tar tas tat tca tcc tcl tco tcp tcr tcs tct tla tlc tll tlo tlp tlr tls tlt to- toa toc tol too top tor tos tot tpa tpc tpl tpo tpp tpr tps tpt tra trc trl tro trp trr trs trt tsa tsc tsl tso tsp tsr tss tst tta ttc ttl tto ttp ttr tts ttt