a-a a-b aaa aab aaj aan aao aaw ab- aba abb abj abn abo abw aja ajb ajj ajn ajo ajw an- ana anb anj ann ano aoa aob aoj aon aoo aow aw- awa awb awj awn awo aww baa bab baj ban bao baw bba bbb bbn bbo bbw bja bjj bjn bjw bna bnb bnj bnn bno bnw boa bob boj bon boo bow bwa bwb bwj bwo jaa jab jaj jan jao jaw jba jbj jbo jbw jja jjb jjj jna jnj jnn jno joa job joj jon joo jow jwa jwb jwn naa nab naj nan nao naw nba nbb nbn nbo nbw nja njn nna nnb nnn nno nnw no- noa nob noj non noo now nwa nwb nwn nwo oaa oab oaj oan oao oaw ob- oba obb obj obn obo obw oja ojb ojo ojw on- ona onb onj onn ono oo- ooa oob oon ooo oow owa owb owj own owo oww waa wab wan wao waw wba wbb wbn wbo wbw wja wjw wn- wna wnj wnn wno wnw woa wob won woo wow wwa wwj wwn wwo www