a-a a-c a-t aaa aac aae aak aam aan aao aat ac- aca acc ace ack acm acn aco act aea aec aee aek aem aen aeo aet aka akc ake akk akm akn ako ama amc ame amk amm amn amo amt an- ana anc ane ank anm ann ano ant aoa aoc aoe aok aom aon aoo aot at- ata atc ate atm atn ato att c-- caa cac cae cak cam can cao cat cca ccc cce cck ccm ccn cco cct ce- cea cec cee cek cem cen ceo cet cka ckc ckm cko ckt cma cmc cme cmk cmm cmn cmo cmt cn- cna cnc cne cnm cnn cno cnt co- coa coc coe cok com con coo cot cta ctc cte ctk ctm ctn cto ctt eaa eac eae eak eam ean eao eat ec- eca ecc ece eck ecm ecn eco ect eea eec eee eek eem een eeo eet eka ekc eke eko ekt em- ema emc eme emk emm emn emo emt en- ena enc ene enk enm enn eno ent eo- eoa eoc eoe eok eom eon eoo eot eta etc ete etk etm etn eto ett k-t ka- kaa kac kae kak kam kan kao kat kca kcc kce kck kcm kcn kct ke- kea kec kee kek kem ken keo ket kkc kke kkk kkm kkn kkt kma kmc kme kmk kmm kmo kmt kn- kna knc kne knk knm knn kno knt koa koc koe kok kom kon koo kot kta ktc kte ktk ktm ktn kto ktt m-o maa mac mae mak mam man mao mat mc- mca mcc mce mck mcm mcn mco mct mea mec mee mek mem men meo met mka mkc mke mkk mkm mkn mko mkt mma mmc mme mmk mmm mmn mmo mmt mna mnc mne mnk mnm mnn mno mnt moa moc moe mok mom mon moo mot mta mtc mte mtk mtm mtn mto mtt naa nac nae nak nam nan nao nat nca ncc nce nck ncm ncn nco nct ne- nea nec nee nek nem nen neo net nka nkc nke nkk nkm nkn nko nkt nma nmc nme nmk nmm nmn nmo nmt nna nnc nne nnk nnm nnn nno nnt no- noa noc noe nok nom non noo not nta ntc nte ntk ntm ntn nto ntt oaa oac oae oak oam oan oao oat oc- oca occ ock ocm ocn oco oct oea oec oee oem oen oeo oet oka okc oke okk oko om- oma omc ome omm omn omo omt on- ona onc one onk onn ono ont oo- ooa ooc ook oom oon ooo oot ot- ota otc ote otk otm otn oto ott taa tac tae tak tam tan tao tat tca tcc tce tck tcm tcn tco tct te- tea tec tee tek tem ten teo tet tka tkc tke tkk tkm tko tkt tma tmc tme tmk tmm tmn tmo tmt tna tnc tne tnk tnm tnn tno tnt to- toa toc toe tok tom ton too tot tta ttc tte ttk ttm ttn tto ttt