a-be aaaa aaab aaae aaba aabb aaea aaoe aaoo abaa abab abae abaj abau abb- abba abbb abbe abbo abee aboa abob aboo abou abua abue ajab ajao ajba ajee ajob ajoo ajou aoba aoeu aqaj aqu- aqua aque aquo auaa aube auja baaa baba babb babe babo babu baja baju baqa bau- bbau bbbb bbbq bbeb beau beba bebb bebe bebo beeb beej beja beo- beqa bjoa boab boba bobb bobe bobo bobu boea boee boeo bojo boju boob booe boqe boua boue bque buba bubb bube bubo bubq bubu buea bueu buja buje bujo buju buqa eaba ebba ebbo eboe eboo eeea eeee ejob ejoo eqao equ- equa eque equo euba jaba jabo jaja jaju jbaa jbob jebb jebe jeju joab joao joba jobe jobo jobu joea joee jojo juab juba jube jubu juja juju o-eo oaau obba obbo obea obja oboe oboq ojaq ojea ojeu ooaa ooba oobe oooo oque ouea ouju ouu- q-be qabo qobu qoob qqqq quaa quab quae quba qube qubo quee quob quu- uaua ubba ubbe ubbo ubja ueba uqao uuuu