a-a a-b aaa aab aah aan aaw ab- aba abb abh abn abw aha ahb ahh ahn ahw an- ana anb anh ann aw- awa awb awh awn aww baa bab bah ban baw bba bbb bbh bbn bbw bha bhb bhh bhw bna bnb bnn bnw bwa bwb bwh haa hab hah han haw hba hbb hbh hbn hbw hha hhb hhh hhn hhw hna hnb hnh hnn hnw hw- hwa hwb hwn hww naa nab nah nan naw nba nbb nbn nbw nha nhb nhh nhn nna nnb nnh nnn nnw nwa nwb nwn waa wab wah wan waw wba wbb wbn wbw wh- wha whb whh whw wn- wna wnn wnw wwa wwn www