-al -er a-a a-c a-t aaa aac aae aak aal aap aar aas aat ac- aca acc ace ack acl acp acr acs act aea aec aee aek ael aep aer aes aet aka akc ake akk akl akp akr aks al- ala alc ale alk all alp alr als alt ap- apa apc ape apk apl app apr aps apt ar- ara arc are ark arl arp arr ars art as- asa asc ase ask asl asp asr ass ast at- ata atc ate atl atp atr ats att c-- caa cac cae cak cal cap car cas cat cca ccc cce cck ccl ccp ccr ccs cct ce- cea cec cee cek cel cep cer ces cet cka ckc cks ckt cl- cla clc cle clk cll clp clr cls clt cpa cpc cpe cpk cpl cpp cpr cps cpt cra crc cre crk crl crp crr crs crt csa csc cse csk csl csp csr css cst cta ctc cte ctk ctl ctp ctr cts ctt eaa eac eae eak eal eap ear eas eat ec- eca ecc ece eck ecl ecr ecs ect eea eec eee eek eel eep eer ees eet eka ekc eke ekl ekp ekr eks ekt ela elc ele elk ell elp elr els elt ep- epa epc epe epl epp epr eps ept era erc ere erk erl erp err ers ert es- esa esc ese esk esl esp esr ess est eta etc ete etk etl etp etr ets ett k-t ka- kaa kac kae kak kal kap kar kas kat kca kcc kce kck kcl kcp kcr kcs kct ke- kea kec kee kek kel kep ker kes ket kkc kke kkk kkl kkp kkr kks kkt kl- kla klc klr kls klt kpa kpc kpe kpk kpl kpp kpr kps kpt kra krc krk krl krp krr krs krt ksa ksc kse ksk ksl ksp ksr kss kst kta ktc kte ktk ktl ktp ktr kts ktt l-p la- laa lac lae lak lal lap lar las lat lca lcc lce lck lcl lcp lcr lcs lct lea lec lee lek lel lep ler les let lka lkl lkp lkr lks lkt lla llc lle llk lll llp llr lls llt lpa lpc lpe lpk lpl lpp lpr lps lpt lra lrc lrk lrp lrr lrs lrt lsa lsc lse lsk lsl lsp lsr lss lst lta ltc lte ltk ltl ltp ltr lts ltt p-p paa pac pae pak pal pap par pas pat pca pcc pce pck pcl pcp pcr pcs pct pea pec pee pek pel pep per pes pet pka pkc pke pkl pkp pkr pks pkt pla plc ple plk pll plp plr pls plt ppa ppc ppe ppk ppl ppp ppr pps ppt pra prc pre prk prl prp prr prs prt ps- psa psc pse psk psl psp psr pss pst pt- pta ptc pte ptk ptl ptp ptr pts ptt ra- raa rac rae rak ral rap rar ras rat rca rcc rce rcl rcp rcr rcs rct re- rea rec ree rek rel rep rer res ret rkc rke rkk rkp rks rkt rla rlc rle rll rlp rlr rls rlt rpa rpc rpe rpk rpl rpp rpr rps rpt rra rrc rrk rrl rrp rrr rrs rrt rsa rsc rse rsk rsl rsp rsr rss rst rta rtc rte rtk rtl rtp rtr rts rtt saa sac sae sak sal sap sar sas sat sca scc sce sck scl scp scr scs sct se- sea sec see sek sel sep ser ses set sk- ska skc ske skk skl skp skr sks skt sla slc sle slk sll slp slr sls slt spa spc spe spk spl spp spr sps spt sr- sra src sre srk srl srp srr srs srt ss- ssa ssc sse ssk ssl ssp ssr sss sst sta stc ste stk stl stp str sts stt taa tac tae tak tal tap tar tas tat tca tcc tce tck tcl tcp tcr tcs tct te- tea tec tee tek tel tep ter tes tet tka tkc tke tkk tkl tkp tkr tks tkt tla tlc tle tlk tll tlp tlr tls tlt tpa tpc tpe tpk tpl tpp tpr tps tpt tra trc tre trk trl trp trr trs trt tsa tsc tse tsk tsl tsp tsr tss tst tta ttc tte ttk ttl ttp ttr tts ttt