a-wa aaaa aaap aaar aaoo aaow aapa aapo aapt aara aaro aarp aart aata aatt aatw aawt aaww aopo aora aort apao apap apar apat apaw apo- apoo apop apor apot appa appr appt apra apro aprt apta aptt apwa arap arar arat araw aroa aroo aror arow arpa arr- arra arro arrr arrt arta arto artr arwa at-t ataa atap atar atat atop ator atot atpr atra atro atrp atta atto attp attr atwa atwo atwt awar awoo awow awpp awro awwa oara ooaa oooo oora oort ootp ootw opap opar opo- opor oppa oppo opra opto orao orar orat oro- oror orot orra orro orta orto orwa orwo otap otar oto- otoo otor otow otpp otpw otra otro otta otto otwo owar owow owt- owtt owwa paap paar paat papa papp papr par- para paro parp parr part pata pato patr patt pawa pawo pawr poar poat poop poor poot pop- popa popo popp popt pora poro porr port pota poto pott potw powa powp powr powt ppap ppar ppoa pppa pppo pppp ppta pptt prao prar prat praw pro- proa proo prop prot prow prtp prtr ptop pwaa raat raop rapa rapp rapt rara raro rata rato ratp ratt rawa rawr raww roap roar roat roop roor root ropa ropo rora roro rort rota roto rotr rott rowa rowp rowr rowt roww rpta rrat rrrr rtpa rttp taa- taar taat taoa taor tapa tapo tapp tapr tapt tara taro tarp tarr tart tata tato tatr tatt tawa tawo tawt taww toat toaw tooa toor toot top- topa topo topp topt tora toro torp torr tort tota toto totr tott towa tpap tppa tppp tppr tprw tptp tptr traa trao trap trat traw troa troo trop trot trow trpa trpp trra trtr ttop tttt twat two- twoa twoo twop twot twrp waaa waao waar waat waaw waoo waor waow wapa wapo wapp wapr wapt wapw war- wara waro warp warr wart warw wata wato watr watt watw wawa wawo wawt woaa woap woar woat woop woot woow wopp wora woro worp worr wort worw wotr wott wotw wowo wowp wowt woww wpaa wpap wpar wpat wpaw wpoa wpop wpor wpot wpow wppa wppr wppt wpra wpro wprp wprr wprt wpta wptr wptw wpwa wpwt wraa wrao wrap wrar wrat wraw wroa wroo wrop wrot wrow wrpa wrpp wrpr wrpw wrra wrro wrrw wrta wrto wrtp wrtr wrtw wrwa wrwr wtap wtar wtaw wtor wtot wtow wtpa wtpr wtpt wtro wtrp wtrt wtrw wtta wtto wttr wttt wttw wtwa wtwo wtwr wtwt wtww wwor wwot wwow wwpa wwpr wwpt wwpw wwra wwrr wwrw wwta wwtp wwtr wwtw wwwa wwwr wwww