-al a-a a-c a-t aaa aac aal aap aar aas aat ac- aca acc acl acp acr acs act al- ala alc all alp alr als alt ap- apa apc apl app apr aps apt ar- ara arc arl arp arr ars art as- asa asc asl asp asr ass ast at- ata atc atl atp atr ats att c-- caa cac cal cap car cas cat cca ccc ccl ccp ccr ccs cct cl- cla clc cll clp clr cls clt cpa cpc cpl cpp cpr cps cpt cra crc crl crp crr crs crt csa csc csl csp csr css cst cta ctc ctl ctp ctr cts ctt l-p la- laa lac lal lap lar las lat lca lcc lcl lcp lcr lcs lct lla llc lll llp llr lls llt lpa lpc lpl lpp lpr lps lpt lra lrc lrp lrr lrs lrt lsa lsc lsl lsp lsr lss lst lta ltc ltl ltp ltr lts ltt p-p paa pac pal pap par pas pat pca pcc pcl pcp pcr pcs pct pla plc pll plp plr pls plt ppa ppc ppl ppp ppr pps ppt pra prc prl prp prr prs prt ps- psa psc psl psp psr pss pst pt- pta ptc ptl ptp ptr pts ptt ra- raa rac ral rap rar ras rat rca rcc rcl rcp rcr rcs rct rla rlc rll rlp rlr rls rlt rpa rpc rpl rpp rpr rps rpt rra rrc rrl rrp rrr rrs rrt rsa rsc rsl rsp rsr rss rst rta rtc rtl rtp rtr rts rtt saa sac sal sap sar sas sat sca scc scl scp scr scs sct sla slc sll slp slr sls slt spa spc spl spp spr sps spt sr- sra src srl srp srr srs srt ss- ssa ssc ssl ssp ssr sss sst sta stc stl stp str sts stt taa tac tal tap tar tas tat tca tcc tcl tcp tcr tcs tct tla tlc tll tlp tlr tls tlt tpa tpc tpl tpp tpr tps tpt tra trc trl trp trr trs trt tsa tsc tsl tsp tsr tss tst tta ttc ttl ttp ttr tts ttt