a-a a-c a-t a-z aaa aac aao aat aaw aaz ac- aca acc aco act acw acz aoa aoc aoo aot aow at- ata atc ato att atw atz aw- awa awc awo awt aww az- aza azo azt azw azz c-- caa cac cao cat caw caz cca ccc cco cct ccw ccz co- coa coc coo cot cow coz cta ctc cto ctt ctw ctz cw- cwa cwc cwo cwt cz- czc czo czt czw oaa oac oao oat oaw oc- oca occ oco oct ocw ocz oo- ooa ooc ooo oot oow ot- ota otc oto ott otw otz owa owc owo owt oww oza ozo ozt ozw ozz taa tac tao tat taw taz tca tcc tco tct tcw to- toa toc too tot tow toz tta ttc tto ttt ttw twa twc two twt tww tza waa wac wao wat waw waz wca wcc wco wct wcw woa woc woo wot wow woz wta wtc wto wtt wtw wtz wwa wwc wwo wwt www wzc wzt zaa zac zao zat zaz zco zo- zoa zoc zoo zot zow zta zzt zzz