a-wa aaaa aaac aaca aacc aaco aaoo aaow aaww acaa acac acca accc acco acoa acow acwa acww aoca awac awaz awoo awow awwa aza- azaz azca azo- azoo azza azzo caaa caac cac- caca cacc caco cacw caoz caza cazo ccaa ccac ccca cccc ccoc ccow coca coco cozz cwac ocac occa occc ooaa oooo owow owwa waaa waac waao waaw waaz waca wacc waco waoc waoo waow wawa wawc wawo wawz waza wazo wazz wcao wcaz wcca wccc wcco wccw wcoa wcoc wcoo wcoz wcwa wcwc wczz woaa woca wocc woco wooc woow wooz wowc wowo woww wowz wozz wwac wwca wwco wwcw wwow wwoz wwwa wwwc wwww wwwz wwzw wwzz wzaz wzcc wzoc wzoo wzoz wzww wzwz wzza wzzo wzzw wzzz zaca zaza zoco zoo- zoza zozo zwoz zzzz