-al -ol a-a a-c a-t aaa aac aae aak aal aao aap aas aat ac- aca acc ace ack acl aco acp acs act aea aec aee aek ael aeo aep aes aet aka akc ake akk akl ako akp aks al- ala alc ale alk all alo alp als alt aoa aoc aoe aok aol aoo aop aos aot ap- apa apc ape apk apl apo app aps apt as- asa asc ase ask asl aso asp ass ast at- ata atc ate atl ato atp ats att c-- caa cac cae cak cal cao cap cas cat cca ccc cce cck ccl cco ccp ccs cct ce- cea cec cee cek cel ceo cep ces cet cka ckc cko cks ckt cl- cla clc cle clk cll clo clp cls clt co- coa coc coe cok col coo cop cos cot cpa cpc cpe cpk cpl cpo cpp cps cpt csa csc cse csk csl cso csp css cst cta ctc cte ctk ctl cto ctp cts ctt eaa eac eae eak eal eao eap eas eat ec- eca ecc ece eck ecl eco ecs ect eea eec eee eek eel eeo eep ees eet eka ekc eke ekl eko ekp eks ekt ela elc ele elk ell elo elp els elt eo- eoa eoc eoe eok eol eoo eop eos eot ep- epa epc epe epl epo epp eps ept es- esa esc ese esk esl eso esp ess est eta etc ete etk etl eto etp ets ett k-t ka- kaa kac kae kak kal kao kap kas kat kca kcc kce kck kcl kcp kcs kct ke- kea kec kee kek kel keo kep kes ket kkc kke kkk kkl kkp kks kkt kl- kla klc klo kls klt koa koc koe kok kol koo kop kos kot kpa kpc kpe kpk kpl kpo kpp kps kpt ksa ksc kse ksk ksl kso ksp kss kst kta ktc kte ktk ktl kto ktp kts ktt l-p la- laa lac lae lak lal lao lap las lat lca lcc lce lck lcl lco lcp lcs lct lea lec lee lek lel leo lep les let lka lkl lkp lks lkt lla llc lle llk lll llo llp lls llt loa loc loe lok lol loo lop los lot lpa lpc lpe lpk lpl lpo lpp lps lpt lsa lsc lse lsk lsl lso lsp lss lst lta ltc lte ltk ltl lto ltp lts ltt oaa oac oae oak oal oao oap oas oat oc- oca occ ock ocl oco ocp ocs oct oea oec oee oel oeo oep oes oet oka okc oke okk okl oko okp oks ola olc ole olk oll olo olp ols olt oo- ooa ooc ook ool ooo oop oos oot op- opa opc ope opk opl opo opp ops opt os- osa osc ose osk osl oso osp oss ost ot- ota otc ote otk otl oto otp ots ott p-p paa pac pae pak pal pao pap pas pat pca pcc pce pck pcl pco pcp pcs pct pea pec pee pek pel peo pep pes pet pka pkc pke pkl pko pkp pks pkt pla plc ple plk pll plo plp pls plt poa poc poe pok pol poo pop pos pot ppa ppc ppe ppk ppl ppo ppp pps ppt ps- psa psc pse psk psl pso psp pss pst pt- pta ptc pte ptk ptl pto ptp pts ptt saa sac sae sak sal sao sap sas sat sca scc sce sck scl sco scp scs sct se- sea sec see sek sel seo sep ses set sk- ska skc ske skk skl sko skp sks skt sla slc sle slk sll slo slp sls slt soa soc soe sok sol soo sop sos sot spa spc spe spk spl spo spp sps spt ss- ssa ssc sse ssk ssl sso ssp sss sst sta stc ste stk stl sto stp sts stt taa tac tae tak tal tao tap tas tat tca tcc tce tck tcl tco tcp tcs tct te- tea tec tee tek tel teo tep tes tet tka tkc tke tkk tkl tko tkp tks tkt tla tlc tle tlk tll tlo tlp tls tlt to- toa toc toe tok tol too top tos tot tpa tpc tpe tpk tpl tpo tpp tps tpt tsa tsc tse tsk tsl tso tsp tss tst tta ttc tte ttk ttl tto ttp tts ttt