a-a a-c a-t aaa aac aan aao aat aaw ac- aca acc acn aco act acw an- ana anc ann ano ant aoa aoc aon aoo aot aow at- ata atc atn ato att atw aw- awa awc awn awo awt aww c-- caa cac can cao cat caw cca ccc ccn cco cct ccw cn- cna cnc cnn cno cnt cnw co- coa coc con coo cot cow cta ctc ctn cto ctt ctw cw- cwa cwc cwn cwo cwt naa nac nan nao nat naw nca ncc ncn nco nct ncw nna nnc nnn nno nnt nnw no- noa noc non noo not now nta ntc ntn nto ntt nwa nwc nwn nwo nwt oaa oac oan oao oat oaw oc- oca occ ocn oco oct ocw on- ona onc onn ono ont oo- ooa ooc oon ooo oot oow ot- ota otc otn oto ott otw owa owc own owo owt oww taa tac tan tao tat taw tca tcc tcn tco tct tcw tna tnc tnn tno tnt tnw to- toa toc ton too tot tow tta ttc ttn tto ttt ttw twa twc twn two twt tww waa wac wan wao wat waw wca wcc wcn wco wct wcw wn- wna wnc wnn wno wnt wnw woa woc won woo wot wow wta wtc wtn wto wtt wtw wwa wwc wwn wwo wwt www