a-a a-c a-t aaa aac aae aaf aak aam aao aap aas aat ac- aca acc ace acf ack acm aco acp acs act aea aec aee aef aek aem aeo aep aes aet af- afa afc afe aff afk afm afo afp afs aft aka akc ake akk akm ako akp aks ama amc ame amf amk amm amo amp ams amt aoa aoc aoe aof aok aom aoo aop aos aot ap- apa apc ape apf apk apm apo app aps apt as- asa asc ase asf ask asm aso asp ass ast at- ata atc ate atf atm ato atp ats att c-- caa cac cae caf cak cam cao cap cas cat cca ccc cce ccf cck ccm cco ccp ccs cct ce- cea cec cee cef cek cem ceo cep ces cet cfa cfc cfe cff cfk cfm cfo cfp cfs cft cka ckc ckm cko cks ckt cma cmc cme cmf cmk cmm cmo cmp cms cmt co- coa coc coe cof cok com coo cop cos cot cpa cpc cpe cpf cpk cpm cpo cpp cps cpt csa csc cse csf csk csm cso csp css cst cta ctc cte ctf ctk ctm cto ctp cts ctt eaa eac eae eaf eak eam eao eap eas eat ec- eca ecc ece ecf eck ecm eco ecs ect eea eec eee eef eek eem eeo eep ees eet ef- efa efc efe eff efm efo efp efs eft eka ekc eke ekf eko ekp eks ekt em- ema emc eme emf emk emm emo emp ems emt eo- eoa eoc eoe eof eok eom eoo eop eos eot ep- epa epc epe epf epm epo epp eps ept es- esa esc ese esf esk esm eso esp ess est eta etc ete etf etk etm eto etp ets ett faa fac fae faf fak fam fao fap fas fat fca fcc fce fcf fck fcm fco fcp fcs fct fea fec fee fef fek fem feo fep fes fet ffa ffc ffe fff ffk ffm ffo ffp ffs fft fka fkc fkf fkk fkm fkp fkt fma fmc fme fmf fmm fmo fmp fms fmt foa foc foe fof fok fom foo fop fos fot fpa fpc fpe fpk fpm fpo fpp fps fpt fsa fsc fse fsf fsk fsm fso fsp fss fst fta ftc fte ftf ftk ftm fto ftp fts ftt k-t ka- kaa kac kae kaf kak kam kao kap kas kat kca kcc kce kck kcm kcp kcs kct ke- kea kec kee kef kek kem keo kep kes ket kfa kfc kff kfm kfo kfs kkc kke kkk kkm kkp kks kkt kma kmc kme kmf kmk kmm kmo kmp kms kmt koa koc koe kof kok kom koo kop kos kot kpa kpc kpe kpf kpk kpm kpo kpp kps kpt ksa ksc kse ksf ksk ksm kso ksp kss kst kta ktc kte ktf ktk ktm kto ktp kts ktt m-f m-o maa mac mae maf mak mam mao map mas mat mc- mca mcc mce mcf mck mcm mco mcp mcs mct mea mec mee mef mek mem meo mep mes met mfa mfc mfe mff mfm mfo mfp mfs mft mka mkc mke mkk mkm mko mkp mks mkt mma mmc mme mmf mmk mmm mmo mmp mms mmt moa moc moe mof mok mom moo mop mos mot mpa mpc mpe mpf mpk mpm mpo mpp mps mpt msa msc mse msf msk msm mso msp mss mst mta mtc mte mtf mtk mtm mto mtp mts mtt oaa oac oae oaf oak oam oao oap oas oat oc- oca occ ocf ock ocm oco ocp ocs oct oea oec oee oef oem oeo oep oes oet of- ofa ofc ofe off ofm ofo ofp ofs oft oka okc oke okk oko okp oks om- oma omc ome omf omm omo omp oms omt oo- ooa ooc oof ook oom ooo oop oos oot op- opa opc ope opf opk opm opo opp ops opt os- osa osc ose osf osk osm oso osp oss ost ot- ota otc ote otf otk otm oto otp ots ott p-p paa pac pae paf pak pam pao pap pas pat pca pcc pce pcf pck pcm pco pcp pcs pct pea pec pee pef pek pem peo pep pes pet pfa pfc pfe pff pfk pfm pfo pfp pfs pft pka pkc pke pkf pkm pko pkp pks pkt pma pmc pme pmf pmk pmm pmo pmp pms pmt poa poc poe pof pok pom poo pop pos pot ppa ppc ppe ppf ppk ppm ppo ppp pps ppt ps- psa psc pse psf psk psm pso psp pss pst pt- pta ptc pte ptf ptk ptm pto ptp pts ptt saa sac sae saf sak sam sao sap sas sat sca scc sce scf sck scm sco scp scs sct se- sea sec see sef sek sem seo sep ses set sfa sfc sfe sff sfk sfm sfo sfp sfs sft sk- ska skc ske skf skk skm sko skp sks skt sma smc sme smf smk smm smo smp sms smt soa soc soe sof sok som soo sop sos sot spa spc spe spf spk spm spo spp sps spt ss- ssa ssc sse ssf ssk ssm sso ssp sss sst sta stc ste stf stk stm sto stp sts stt taa tac tae taf tak tam tao tap tas tat tca tcc tce tcf tck tcm tco tcp tcs tct te- tea tec tee tef tek tem teo tep tes tet tfa tfc tfe tff tfk tfm tfo tfp tfs tft tka tkc tke tkk tkm tko tkp tks tkt tma tmc tme tmf tmk tmm tmo tmp tms tmt to- toa toc toe tof tok tom too top tos tot tpa tpc tpe tpf tpk tpm tpo tpp tps tpt tsa tsc tse tsf tsk tsm tso tsp tss tst tta ttc tte ttf ttk ttm tto ttp tts ttt