-al a-a a-c a-t aaa aac aae aak aal aap aas aat ac- aca acc ace ack acl acp acs act aea aec aee aek ael aep aes aet aka akc ake akk akl akp aks al- ala alc ale alk all alp als alt ap- apa apc ape apk apl app aps apt as- asa asc ase ask asl asp ass ast at- ata atc ate atl atp ats att c-- caa cac cae cak cal cap cas cat cca ccc cce cck ccl ccp ccs cct ce- cea cec cee cek cel cep ces cet cka ckc cks ckt cl- cla clc cle clk cll clp cls clt cpa cpc cpe cpk cpl cpp cps cpt csa csc cse csk csl csp css cst cta ctc cte ctk ctl ctp cts ctt eaa eac eae eak eal eap eas eat ec- eca ecc ece eck ecl ecs ect eea eec eee eek eel eep ees eet eka ekc eke ekl ekp eks ekt ela elc ele elk ell elp els elt ep- epa epc epe epl epp eps ept es- esa esc ese esk esl esp ess est eta etc ete etk etl etp ets ett k-t ka- kaa kac kae kak kal kap kas kat kca kcc kce kck kcl kcp kcs kct ke- kea kec kee kek kel kep kes ket kkc kke kkk kkl kkp kks kkt kl- kla klc kls klt kpa kpc kpe kpk kpl kpp kps kpt ksa ksc kse ksk ksl ksp kss kst kta ktc kte ktk ktl ktp kts ktt l-p la- laa lac lae lak lal lap las lat lca lcc lce lck lcl lcp lcs lct lea lec lee lek lel lep les let lka lkl lkp lks lkt lla llc lle llk lll llp lls llt lpa lpc lpe lpk lpl lpp lps lpt lsa lsc lse lsk lsl lsp lss lst lta ltc lte ltk ltl ltp lts ltt p-p paa pac pae pak pal pap pas pat pca pcc pce pck pcl pcp pcs pct pea pec pee pek pel pep pes pet pka pkc pke pkl pkp pks pkt pla plc ple plk pll plp pls plt ppa ppc ppe ppk ppl ppp pps ppt ps- psa psc pse psk psl psp pss pst pt- pta ptc pte ptk ptl ptp pts ptt saa sac sae sak sal sap sas sat sca scc sce sck scl scp scs sct se- sea sec see sek sel sep ses set sk- ska skc ske skk skl skp sks skt sla slc sle slk sll slp sls slt spa spc spe spk spl spp sps spt ss- ssa ssc sse ssk ssl ssp sss sst sta stc ste stk stl stp sts stt taa tac tae tak tal tap tas tat tca tcc tce tck tcl tcp tcs tct te- tea tec tee tek tel tep tes tet tka tkc tke tkk tkl tkp tks tkt tla tlc tle tlk tll tlp tls tlt tpa tpc tpe tpk tpl tpp tps tpt tsa tsc tse tsk tsl tsp tss tst tta ttc tte ttk ttl ttp tts ttt