a-ya a-yo aaaa aaab aaaf aaap aaar aaba aabb aabp aaby aafa aafb aaff aaoo aapa aapo aara aaro aarp abaa abab abaf abap abar abay abb- abba abbb abbo abbr abby abff aboa abob abof aboo abor aboy abpa abpp abpr abra abro abry abyy afaa afao afap afar affa affo affy afoa afoo afor afpa afr- afra afro aoba aopo aora aorb apao apap apar apay apba apbr apfa apfo apo- apof apoo apop apor appa appr appy apra apro arab araf arap arar aray arba arby arfa arfb arff aroa arob aroo aror arpa arpy arr- arra arro arrr arry ary- arya ay-o ayao ayar ayay ayoo ayra ayry ayya baaa baaf baar baba babb babo babr baby baff bafo bapa bapp bar- bara barb barf baro barr bary baya bayo bbay bbbb bboy bbpr bbyo bfpo bfpp boab boar boba bobb bobo boby bofa boff boob boof boop boor bopa bopp bor- bora borf boro borr bory boya boyf boyo bpay brab braf brao bray broa brob broo bror brrr bry- brya bryo byar byoa byob byop faaa faap faba fabo fafa faff fafo fapa fapp fara farb faro farp farr fary faya fayo fbar fbop ffar ffff ffrr foaf foar foba fofo foof fopp for- fora forb foro forr foya fpaa fpra fprf frab frap fray frob frop frya fyar fyra fyry oafo oara oary obay obba obbo obby obor oboy obra obro ofay off- offa offo offr offy ofor ofra ooaa ooba ooby ooff oofy oooo oora oory opap opar opo- opor oppa oppo oppy opra opry orab orao orar oray orba orbb orbo orby orff oro- orof oror oroy orra orro orry orya oypa paap paar paba pafa paff papa papb papp papr papy par- para parf paro parp parr pary pay- paya payb payp payr pbar pbpa pbrf pfaa pfff pffr pfra poar poba pobo poff poof poop poor pop- popa popo popp popy pora porb poro porr pory poya poyo poyr ppap ppar ppfa ppoa pppa pppo pppp pprf prao prar pray pro- proa prob prof proo prop pyao pyay pyo- pypy pyr- pyra pyro pyry raab raaf raba rabb rabo raby rafa raff raob raop rapa rapp rapy rara rarb rarf raro rary raya rayr rbaf rbbb rbbr roab roaf roap roar rob- roba robb robo roby roff rofo roob roof roop roor ropa ropo ropy rora roro rory roya rpob rpof rrrr ryba rybp ryff ryob ryyf yaaf yaar yaba yabo yafa yaff yafo yapa yapp yara yarb yaro yarp yarr yary yaya yayo ybor ybry yoar yoba yobo yoff yoof yoop yopo yopy yoro yory yoyo ypfb ypoa yrof yyff yyyy