aaaa aaab aaal aaap aaar aaba aabb aabl aabp aala aall aalo aalu aaoo aapa aapl aapo aara aaro aarp aaru aaup abaa abab abal abap abar abau abb- abba abbb abbo abbr abla ablo aboa abob abol aboo abor abou abpa abpp abpr abra abro abua abul al-p alaa alal alao alap alar alau alb- alba albo albu all- alla alll allo allr allu aloa alol aloo alop alor alou alpa alpl alpo alpu alro alua alur aoba aola aopo aora aorb aoul apal apao apap apar apba apbr apl- apla aplp aplu apo- apoo apop apor apou appa appl appr appu apra apro apua apup arab aral arap arar arau arba arla arlo aroa arob aroo aror arpa arpl arpu arr- arra arro arrr arru arua arub arul arup auaa aul- aula aull aulo aulu auol aur- aura auro baaa baal baar baba babb babo babr babu bala ball balo balu baol bapa bapp bapu bar- bara barb baro barr baru bau- baul baur bbau bbbb bblb bbpr blaa blab blau blob bloo blop blou blub blup blur boab boal boar boba bobb bobo bobu bola boll bolo bolu boob bool boop boor bopa bopp bor- bora boro borr boru boua boul boup bour brab brao brau brlp broa brob brol broo bror brou brrr brup bual buar buba bubb bubo bubu bula bulb bull bulu buol bupa bur- bura burb burl buro burp burr buru laaa laal laap laar laba labo labr labu lala lall lalo lalu laou lapa lapb lapp lapu lara larb larp larr laru laub laul laur lbar lblr llao llll lloa lloo loap loar lob- loba lobb lobo lola loll lolo loob lool loop loor lopa lopp lopu lora loro loul loup lour louu lpla lppl lprp lral lrba lrpu lrrr luau luba lula lull lulu lupa lupo lupu lura luua luup oaau oall oara obal obba obbo obla oblu obol obor obra obro olar olba olbo olla ollo olor olur ooaa ooba oola oolo oooo oora opal opap opar opla opo- opor oppa oppo opra opua orab oral orao orar orba orbb orbo orbu orla orlo orlu oro- oror orra orro orub orup oula oulu oupa our- oura ouro ouu- paal paap paar paba pabu pala pall palo palp palu papa papb papp papr par- para parl paro parp parr paru paua paul paup paur pbar pblu pbpa plaa plab plap plar plau plbr plob ploo plop plou plpa plpp plra plua plup plur poar poba pobo pola poll polo polu pool poop poor pop- popa popo popp pora porb poro porr poul poup pour ppal ppap ppar pplo ppoa pppa pppo pppp ppru ppur prao prar prau prlr pro- proa prob prol proo prop prou pruu puao puar publ pubu pula pull pulo pulp pulu pupa pupl pupu pur- pura purb purl puro purp purr puru raab raba rabb rabl rabo rabu rala ralb rall ralo raob raol raop rapa rapl rapp rara rarb raro raua raub raul raup rbbb rbbr rlab rlua roab roap roar rob- roba robb robo robu rola roll rolo rolp roob rool roop roor ropa ropo rora roro roru roua roub roul roup rpob rrrr ruba rubb rubp rubu rula rull rulo rupa rupp rura ruro rurp ruru u-rp uaru uaua ubal ubar ubba ubbo ubla ublo ubra ulaa ular ulla ullo ullr ulo- ulua ulul uor- upal upar upla uplb uplo upor uppa uppp uppu upra upup ural urao urap urau urba urla uro- uroa urol uroo urpo urra urup urur uulu uuuu