a-a a-t aaa aae aaf aak aam aan aas aat aea aee aef aek aem aen aes aet af- afa afe aff afk afm afn afs aft aka ake akk akm akn aks ama ame amf amk amm amn ams amt an- ana ane anf ank anm ann ans ant as- asa ase asf ask asm asn ass ast at- ata ate atf atm atn ats att eaa eae eaf eak eam ean eas eat eea eee eef eek eem een ees eet ef- efa efe eff efm efs eft eka eke ekf eks ekt em- ema eme emf emk emm emn ems emt en- ena ene enf enk enm enn ens ent es- esa ese esf esk esm esn ess est eta ete etf etk etm etn ets ett faa fae faf fak fam fan fas fat fea fee fef fek fem fen fes fet ffa ffe fff ffk ffm ffn ffs fft fka fkf fkk fkm fkt fma fme fmf fmm fmn fms fmt fna fne fnf fnk fnm fnn fns fnt fsa fse fsf fsk fsm fsn fss fst fta fte ftf ftk ftm ftn fts ftt k-t ka- kaa kae kaf kak kam kan kas kat ke- kea kee kef kek kem ken kes ket kfa kff kfm kfs kke kkk kkm kkn kks kkt kma kme kmf kmk kmm kms kmt kn- kna kne knf knk knm knn knt ksa kse ksf ksk ksm ksn kss kst kta kte ktf ktk ktm ktn kts ktt m-f maa mae maf mak mam man mas mat mea mee mef mek mem men mes met mfa mfe mff mfm mfn mfs mft mka mke mkk mkm mkn mks mkt mma mme mmf mmk mmm mmn mms mmt mna mne mnf mnk mnm mnn mns mnt msa mse msf msk msm msn mss mst mta mte mtf mtk mtm mtn mts mtt naa nae naf nak nam nan nas nat ne- nea nee nef nek nem nen nes net nfa nfe nff nfk nfn nfs nft nka nke nkf nkk nkm nkn nks nkt nma nme nmk nmm nmn nms nmt nna nne nnf nnk nnm nnn nns nnt nsa nse nsf nsk nsm nsn nss nst nta nte ntf ntk ntm ntn nts ntt saa sae saf sak sam san sas sat se- sea see sef sek sem sen ses set sfa sfe sff sfk sfm sfn sfs sft sk- ska ske skf skk skm sks skt sma sme smf smk smm smn sms smt sna sne snf snk snm snn sns snt ss- ssa sse ssf ssk ssm ssn sss sst sta ste stf stk stm stn sts stt taa tae taf tak tam tan tas tat te- tea tee tef tek tem ten tes tet tfa tfe tff tfk tfm tfn tfs tft tka tke tkk tkm tks tkt tma tme tmf tmk tmm tmn tms tmt tna tne tnf tnk tnm tnn tns tnt tsa tse tsf tsk tsm tsn tss tst tta tte ttf ttk ttm ttn tts ttt