aaaa aaab aaal aaap aaar aaba aabb aabl aabp aabt aala aall aalo aaoo aapa aapl aapo aapt aara aaro aarp aart aata aatt abaa abab abal abap abar abat abb- abba abbb abbo abbr abbt abla ablo aboa abob abol aboo abor abot abpa abpp abpr abra abro abta al-p alaa alal alao alap alar alat alb- alba albo all- alla alll allo allr aloa alol aloo alop alor alot alpa alpl alpo alro alta alto aoba aola aopo aora aorb aort apal apao apap apar apat apba apbr apl- apla aplp apo- apoo apop apor apot appa appl appr appt apra apro aprt apta aptt arab aral arap arar arat arba arla arlo aroa arob aroo aror arpa arpl arr- arra arro arrr arrt arta arto artr at-l at-t ataa atab atal atap atar atat atla atlo atob atol atop ator atot atpr atra atro atrp atta atto attp attr baaa baal baar baat baba babb babo babr bala ball balo balt baol bapa bapp bapt bar- bara barb baro barr bart bata bato batt bbbb bblb bbpr blaa blab blat blbt blob bloo blop blot boab boal boar boat boba bobb bobo bola boll bolo bolt boob bool boop boor boot bopa bopp bor- bora boro borr bort bota botb boto bott bpot brab brao brat brlp broa brob brol broo bror brot brrr btaa btbp btla btlp btob btor btrt bttb laaa laal laap laar laat laba labo labr lala lall lalo lapa lapb lapp lapt lara larb larp larr lart lata lato latt lbar lblr lbrt llao llat llll lloa lloo loap loar loat lob- loba lobb lobo lola loll lolo loob lool loop loor loot lopa lopp lora loro lota lotl loto lotr lott lpla lppl lprp lptb lral lrat lrba lrrr lrta ltap ltbl ltpa ltra lttr oall oara obal obba obbo obla obol obor obot obra obro olar olat olba olbo olla ollo olor olot olta ooaa ooba oola oolo oooo oora oort ootb ootp opal opap opar opla opo- opor oppa oppo opra opto orab oral orao orar orat orba orbb orbo orla orlo oro- oror orot orra orro orta orto otap otar oto- otoo otor otpp otra otro otta otto paal paap paar paat paba pabt pala pall palo palp palt papa papb papp papr par- para parl paro parp parr part pata pato patr patt pbar pbpa plaa plab plap plar plat plbr plob ploo plop plot plpa plpp plra pltt poar poat poba pobo pola poll polo polt pool poop poor poot pop- popa popo popp popt pora porb poro porr port pota poto pott ppal ppap ppar pplo ppoa pppa pppo pppp ppta pptt prao prar prat prlr pro- proa prob prol proo prop prot prtp prtr ptab ptal ptbl ptol ptop raab raat raba rabb rabl rabo rala ralb rall ralo ralt raob raol raop rapa rapl rapp rapt rara rarb raro rata rato ratp ratt rbbb rbbr rlab roab roap roar roat rob- roba robb robo robt rola roll rolo rolp rolt roob rool roop roor root ropa ropo rora roro rort rota rotl roto rotr rott rpob rpta rrat rrrr rtlt rtpa rttp taa- taal taar taat taba tabb tabl tabo tala tall talo taoa taor tapa tapo tapp tapr tapt tara tarb taro tarp tarr tart tata tatb tato tatr tatt tbar tbrb tbta tbtp tlpa toab toal toat toba tobo tobt tol- tola toll tolo tolt tooa tool toor toot top- topa topo topp topt tora toro torp torr tort tota toto totr tott tpap tpol tppa tppp tppr tptp tptr traa trab tral trao trap trat troa troo trop trot trpa trpp trra trtr ttab ttbb ttop tttt