-al -er a-a a-c a-t aaa aac aae aal aap aar aat ac- aca acc ace acl acp acr act aea aec aee ael aep aer aet al- ala alc ale all alp alr alt ap- apa apc ape apl app apr apt ar- ara arc are arl arp arr art at- ata atc ate atl atp atr att c-- caa cac cae cal cap car cat cca ccc cce ccl ccp ccr cct ce- cea cec cee cel cep cer cet cl- cla clc cle cll clp clr clt cpa cpc cpe cpl cpp cpr cpt cra crc cre crl crp crr crt cta ctc cte ctl ctp ctr ctt eaa eac eae eal eap ear eat ec- eca ecc ece ecl ecr ect eea eec eee eel eep eer eet ela elc ele ell elp elr elt ep- epa epc epe epl epp epr ept era erc ere erl erp err ert eta etc ete etl etp etr ett l-p la- laa lac lae lal lap lar lat lca lcc lce lcl lcp lcr lct lea lec lee lel lep ler let lla llc lle lll llp llr llt lpa lpc lpe lpl lpp lpr lpt lra lrc lrp lrr lrt lta ltc lte ltl ltp ltr ltt p-p paa pac pae pal pap par pat pca pcc pce pcl pcp pcr pct pea pec pee pel pep per pet pla plc ple pll plp plr plt ppa ppc ppe ppl ppp ppr ppt pra prc pre prl prp prr prt pt- pta ptc pte ptl ptp ptr ptt ra- raa rac rae ral rap rar rat rca rcc rce rcl rcp rcr rct re- rea rec ree rel rep rer ret rla rlc rle rll rlp rlr rlt rpa rpc rpe rpl rpp rpr rpt rra rrc rrl rrp rrr rrt rta rtc rte rtl rtp rtr rtt taa tac tae tal tap tar tat tca tcc tce tcl tcp tcr tct te- tea tec tee tel tep ter tet tla tlc tle tll tlp tlr tlt tpa tpc tpe tpl tpp tpr tpt tra trc tre trl trp trr trt tta ttc tte ttl ttp ttr ttt