a-a a-b a-c aaa aab aac aah aan aaw ab- aba abb abc abh abn abw ac- aca acb acc ach acn acw aha ahb ahc ahh ahn ahw an- ana anb anc anh ann aw- awa awb awc awh awn aww baa bab bac bah ban baw bba bbb bbc bbh bbn bbw bca bcb bcc bch bcn bha bhb bhc bhh bhw bna bnb bnc bnn bnw bwa bwb bwc bwh c-- caa cab cac cah can caw cba cbb cbc cbh cbn cbw cca ccb ccc cch ccn ccw ch- cha chb chc chh chn chw cn- cna cnb cnc cnh cnn cnw cw- cwa cwb cwc cwh cwn haa hab hac hah han haw hba hbb hbc hbh hbn hbw hca hcb hcc hch hcn hcw hha hhb hhc hhh hhn hhw hna hnb hnc hnh hnn hnw hw- hwa hwb hwn hww naa nab nac nah nan naw nba nbb nbc nbn nbw nca ncb ncc nch ncn ncw nha nhb nhc nhh nhn nna nnb nnc nnh nnn nnw nwa nwb nwc nwn waa wab wac wah wan waw wba wbb wbc wbn wbw wca wcb wcc wch wcn wcw wh- wha whb whc whh whw wn- wna wnc wnn wnw wwa wwc wwn www