-al -ol a-a a-c a-t aaa aac aae aaf aak aal aao aap aas aat ac- aca acc ace acf ack acl aco acp acs act aea aec aee aef aek ael aeo aep aes aet af- afa afc afe aff afk afl afo afp afs aft aka akc ake akk akl ako akp aks al- ala alc ale alf alk all alo alp als alt aoa aoc aoe aof aok aol aoo aop aos aot ap- apa apc ape apf apk apl apo app aps apt as- asa asc ase asf ask asl aso asp ass ast at- ata atc ate atf atl ato atp ats att c-- caa cac cae caf cak cal cao cap cas cat cca ccc cce ccf cck ccl cco ccp ccs cct ce- cea cec cee cef cek cel ceo cep ces cet cfa cfc cfe cff cfk cfl cfo cfp cfs cft cka ckc cko cks ckt cl- cla clc cle clf clk cll clo clp cls clt co- coa coc coe cof cok col coo cop cos cot cpa cpc cpe cpf cpk cpl cpo cpp cps cpt csa csc cse csf csk csl cso csp css cst cta ctc cte ctf ctk ctl cto ctp cts ctt eaa eac eae eaf eak eal eao eap eas eat ec- eca ecc ece ecf eck ecl eco ecs ect eea eec eee eef eek eel eeo eep ees eet ef- efa efc efe eff efl efo efp efs eft eka ekc eke ekf ekl eko ekp eks ekt ela elc ele elf elk ell elo elp els elt eo- eoa eoc eoe eof eok eol eoo eop eos eot ep- epa epc epe epf epl epo epp eps ept es- esa esc ese esf esk esl eso esp ess est eta etc ete etf etk etl eto etp ets ett faa fac fae faf fak fal fao fap fas fat fca fcc fce fcf fck fcl fco fcp fcs fct fea fec fee fef fek fel feo fep fes fet ffa ffc ffe fff ffk ffl ffo ffp ffs fft fka fkc fkf fkk fkl fkp fkt fla flc fle flf fll flo flp fls flt foa foc foe fof fok fol foo fop fos fot fpa fpc fpe fpk fpl fpo fpp fps fpt fsa fsc fse fsf fsk fsl fso fsp fss fst fta ftc fte ftf ftk ftl fto ftp fts ftt k-t ka- kaa kac kae kaf kak kal kao kap kas kat kca kcc kce kck kcl kcp kcs kct ke- kea kec kee kef kek kel keo kep kes ket kfa kfc kff kfo kfs kkc kke kkk kkl kkp kks kkt kl- kla klc klf klo kls klt koa koc koe kof kok kol koo kop kos kot kpa kpc kpe kpf kpk kpl kpo kpp kps kpt ksa ksc kse ksf ksk ksl kso ksp kss kst kta ktc kte ktf ktk ktl kto ktp kts ktt l-p la- laa lac lae laf lak lal lao lap las lat lca lcc lce lcf lck lcl lco lcp lcs lct lea lec lee lef lek lel leo lep les let lfa lfc lfe lff lfk lfl lfo lfp lfs lft lka lkl lkp lks lkt lla llc lle llf llk lll llo llp lls llt loa loc loe lof lok lol loo lop los lot lpa lpc lpe lpf lpk lpl lpo lpp lps lpt lsa lsc lse lsf lsk lsl lso lsp lss lst lta ltc lte ltf ltk ltl lto ltp lts ltt oaa oac oae oaf oak oal oao oap oas oat oc- oca occ ocf ock ocl oco ocp ocs oct oea oec oee oef oel oeo oep oes oet of- ofa ofc ofe off ofl ofo ofp ofs oft oka okc oke okk okl oko okp oks ola olc ole olf olk oll olo olp ols olt oo- ooa ooc oof ook ool ooo oop oos oot op- opa opc ope opf opk opl opo opp ops opt os- osa osc ose osf osk osl oso osp oss ost ot- ota otc ote otf otk otl oto otp ots ott p-p paa pac pae paf pak pal pao pap pas pat pca pcc pce pcf pck pcl pco pcp pcs pct pea pec pee pef pek pel peo pep pes pet pfa pfc pfe pff pfk pfl pfo pfp pfs pft pka pkc pke pkf pkl pko pkp pks pkt pla plc ple plf plk pll plo plp pls plt poa poc poe pof pok pol poo pop pos pot ppa ppc ppe ppf ppk ppl ppo ppp pps ppt ps- psa psc pse psf psk psl pso psp pss pst pt- pta ptc pte ptf ptk ptl pto ptp pts ptt saa sac sae saf sak sal sao sap sas sat sca scc sce scf sck scl sco scp scs sct se- sea sec see sef sek sel seo sep ses set sfa sfc sfe sff sfk sfl sfo sfp sfs sft sk- ska skc ske skf skk skl sko skp sks skt sla slc sle slf slk sll slo slp sls slt soa soc soe sof sok sol soo sop sos sot spa spc spe spf spk spl spo spp sps spt ss- ssa ssc sse ssf ssk ssl sso ssp sss sst sta stc ste stf stk stl sto stp sts stt taa tac tae taf tak tal tao tap tas tat tca tcc tce tcf tck tcl tco tcp tcs tct te- tea tec tee tef tek tel teo tep tes tet tfa tfc tfe tff tfk tfl tfo tfp tfs tft tka tkc tke tkk tkl tko tkp tks tkt tla tlc tle tlf tlk tll tlo tlp tls tlt to- toa toc toe tof tok tol too top tos tot tpa tpc tpe tpf tpk tpl tpo tpp tps tpt tsa tsc tse tsf tsk tsl tso tsp tss tst tta ttc tte ttf ttk ttl tto ttp tts ttt