a-ya a-yo aaaa aaab aaas aaav aaba aabb aaby aaoo aasa aass aava abaa abab abas abay abb- abba abbb abbo abbs abby aboa abob aboo abos abov aboy abs- absa abss abva abys abyy aoba aoss asaa asab asao asas asay asba asbo asby asob asos assa asso asss assy asva asvs asya avab avao avas avay avos avoy avva avvo avvy avys ay-o ayao ayas ayay ayoo ayos ayya baaa baas baba babb babo babs baby baos basa baso bass bava baya bayo bays bbas bbay bbbb bbbs bboy bbyo boab boas boba bobb bobo bobs boby boob boos bosa boso boss bova bovo bovy boya boyo boys bsaa bsas bsos byas byoa byob byos bysb byso byss bysy oass oasy oavs obas obay obba obbo obby obos oboy obss obvs ooaa ooba ooby oooo ooos oosa osas osay osba osby osoo osos osov ossa ossb osso ossy ovo- ovoo oyas oyss s-os saab saas saba sabb sabo sabs saos sasa saso sass sava savo savs savy saya sayo says sbaa sbas sbbs sbsa soas soay soba sobo sobs soos sooy sosa soso soss sosv sova sovo sovs soya soyo soys ssaa ssab ssao ssas ssby sssa sssb ssss svoy sybo syso syss vaas vabs vas- vasa vaso vass vasy vava vavs vaya vays vbyv voay vosa voso voss voys vsby vvob vvsb vvvv vyos vyso vyss yaas yaba yabo yasa yaso yass yava yaya yayo yays ybas ybbs yoav yoba yobo yobs yoso yova yoyo ysay ysby ysyb yyyy