a-a a-b a-t aaa aab aak aan aao aat aaw ab- aba abb abk abn abo abt abw aka akb akk akn ako akw an- ana anb ank ann ano ant aoa aob aok aon aoo aot aow at- ata atb atn ato att atw aw- awa awb awk awn awo awt aww baa bab bak ban bao bat baw bba bbb bbk bbn bbo bbt bbw bka bkb bkk bkn bko bkt bkw bna bnb bnk bnn bno bnt bnw boa bob bok bon boo bot bow bta btb btk btn bto btt btw bwa bwb bwk bwo k-t ka- kaa kab kak kan kao kat kaw kba kbb kbk kbn kbo kbw kkb kkk kkn kkt kn- kna knk knn kno knt koa kob kok kon koo kot kow kta ktb ktk ktn kto ktt ktw kw- kwa kwk kwo kwt kww naa nab nak nan nao nat naw nba nbb nbk nbn nbo nbt nbw nka nkk nkn nko nkt nna nnb nnk nnn nno nnt nnw no- noa nob nok non noo not now nta ntb ntk ntn nto ntt nwa nwb nwn nwo nwt oaa oab oak oan oao oat oaw ob- oba obb obk obn obo obt obw oka okb okk oko okw on- ona onb onk onn ono ont oo- ooa oob ook oon ooo oot oow ot- ota otb otk otn oto ott otw owa owb owk own owo owt oww taa tab tak tan tao tat taw tba tbb tbk tbn tbo tbt tka tkb tkk tko tkt tkw tna tnb tnk tnn tno tnt tnw to- toa tob tok ton too tot tow tta ttb ttk ttn tto ttt ttw twa twb twn two twt tww waa wab wak wan wao wat waw wba wbb wbn wbo wbt wbw wka wkb wko wkt wkw wn- wna wnn wno wnt wnw woa wob wok won woo wot wow wta wtb wtn wto wtt wtw wwa wwn wwo wwt www