a-ya a-yo aaaa aaab aaar aaas aaav aaba aabb aaby aaoo aara aaro aars aasa aass aava abaa abab abar abas abay abb- abba abbb abbo abbr abbs abby aboa abob aboo abor abos abov aboy abra abro abrs abry abs- absa abss abva abys abyy aoba aora aorb aors aoss arab arar aras aray arba arbs arby aroa arob aroo aror aros arr- arra arro arrr arrs arry ars- arsa arso arsy arva arvo arvy ary- arya arys asaa asab asao asar asas asay asba asbo asby asob asor asos asra asro asrs assa asso assr asss assy asva asvs asya avab avao avar avas avay avor avos avoy avra avro avry avva avvo avvy avys ay-o ayao ayar ayas ayay ayoo ayos ayra ayry ayya baaa baar baas baba babb babo babr babs baby baos bar- bara barb baro barr bars bary basa baso bass bava baya bayo bays bbas bbay bbbb bbbs bboy bbyo boab boar boas boba bobb bobo bobs boby boob boor boos bor- bora boro borr bors bory bosa boso boss bova bovo bovy boya boyo boys brab brao bras brav bray broa brob broo bror bros brrr brrs brsb brsr bry- brya bryo bsaa bsas bsos bsra byar byas byoa byob byos bysb byso byss bysy oara oars oary oass oasy oavs obas obay obba obbo obby obor obos oboy obra obro obsr obss obvs ooaa ooba ooby oooo ooos oora oory oosa orab orao orar oras orav oray orba orbb orbo orbs orby oro- oror oros oroy orra orro orrs orry orsa orso orsy orvr orvs orya orys osar osas osay osba osby osoo osor osos osov osro ossa ossb osso ossy ovar ovo- ovoo ovra oyas oyss raab raas raba rabb rabo rabs raby raob raos rara rarb raro rars rary rasa raso rass rasy rava raya rayr rays rbbb rbbr rbbs rbss roab roar roas rob- roba robb robo robs roby roob roor roos rora roro rory rosa roso ross rosy rova rovo rovs roya roys rras rrrr rsaa rsos rssa ryas ryba ryob rysy s-os saab saar saas saba sabb sabo sabr sabs saor saos sara saro sarr sars sarv sary sasa saso sass sava savo savs savy saya sayo sayr says sbaa sbar sbas sbbs sbor sbsa soar soas soay soba sobo sobr sobs soor soos sooy sora sorb soro sorr sors sory sosa soso soss sosv sova sovo sovs soya soyo soys sras srby sros ssaa ssab ssao ssas ssbr ssby ssra ssrs sssa sssb ssss svar svor svoy syar sybo syra syro syrs syry syso syss vaar vaas vabs vara varr vars vary vas- vasa vaso vass vasy vava vavs vaya vayr vays vbyv voar voay voor vor- vora voro vors vory vosa voso voss voys vras vrav vray vrba vrsa vsby vvob vvsb vvvv vyos vyso vyss yaar yaas yaba yabo yara yarb yaro yarr yars yarv yary yasa yaso yass yava yaya yayo yays ybas ybbs ybor ybry yoar yoav yoba yobo yobs yoro yory yoso yova yoyo yrsa ysay ysby ysyb yvor yyyy