-al a-a a-c aaa aac aae aak aal aap aas ac- aca acc ace ack acl acp acs aea aec aee aek ael aep aes aka akc ake akk akl akp aks al- ala alc ale alk all alp als ap- apa apc ape apk apl app aps as- asa asc ase ask asl asp ass c-- caa cac cae cak cal cap cas cca ccc cce cck ccl ccp ccs ce- cea cec cee cek cel cep ces cka ckc cks cl- cla clc cle clk cll clp cls cpa cpc cpe cpk cpl cpp cps csa csc cse csk csl csp css eaa eac eae eak eal eap eas ec- eca ecc ece eck ecl ecs eea eec eee eek eel eep ees eka ekc eke ekl ekp eks ela elc ele elk ell elp els ep- epa epc epe epl epp eps es- esa esc ese esk esl esp ess ka- kaa kac kae kak kal kap kas kca kcc kce kck kcl kcp kcs ke- kea kec kee kek kel kep kes kkc kke kkk kkl kkp kks kl- kla klc kls kpa kpc kpe kpk kpl kpp kps ksa ksc kse ksk ksl ksp kss l-p la- laa lac lae lak lal lap las lca lcc lce lck lcl lcp lcs lea lec lee lek lel lep les lka lkl lkp lks lla llc lle llk lll llp lls lpa lpc lpe lpk lpl lpp lps lsa lsc lse lsk lsl lsp lss p-p paa pac pae pak pal pap pas pca pcc pce pck pcl pcp pcs pea pec pee pek pel pep pes pka pkc pke pkl pkp pks pla plc ple plk pll plp pls ppa ppc ppe ppk ppl ppp pps ps- psa psc pse psk psl psp pss saa sac sae sak sal sap sas sca scc sce sck scl scp scs se- sea sec see sek sel sep ses sk- ska skc ske skk skl skp sks sla slc sle slk sll slp sls spa spc spe spk spl spp sps ss- ssa ssc sse ssk ssl ssp sss