orid orio orit oro- oror orot orph orpi orra orri orro orta orth orto otap otar otbd otha otho othr otit oto- otoh otoo otor otpp otra otro otta otti otto paap paar paat paba pabt pada padd padi pado paha pahi paho pahp paia paib paid paio paip pair pait paoh papa papb papi papp papr par- para pard pari paro parp parr part pata patd path pati pato patr patt pbar pbpa pdpa pdpr phad phah phai phar phat phht phi- phip phit phob phoh phoo phot phpa phrr piai piao piat pibb pibi pida pido piha piia piip piob piot pipa pipi pipo pipp pira piri piro pirr pita pith piti pito pitr pitt poad poar poat poba pobo pod- poda podd podi podo poha poia poid poio pood pooh poop poor poot pop- popa popi popo popp popt pora porb pori poro porr port pota potd poth poti poto pott ppad ppap ppar pphi ppib ppid ppih ppoa ppod pppa pppd pppo pppp ppta pptt prad prai prao prar prat pri- pria prid prii pro- proa prob prod proo prop prot prpd prrd prri prti prtp prtr ptab ptah ptop ptpd ptrd raab raad raat raba rabb rabi rabo rada radd radh rado radr radt raha rahi rahr raht raia raid raii raip rair rait raob raoh raop rapa rapd raph rapi rapp rapt rara rarb rari raro rata rath rati rato ratp ratt rbbb rbbr rboh rdap rdbp rdio rhap rhib rhio rhoa rhob rhod rhoh riaa riab riad riah riai riat rib- riba ribo rida ridd ridi rido riha riho riht riia riot ripa ripd ripi ripp ripr ript riri rita rith riti rito ritt roab road roap roar roat rob- roba robb robi robo robt roda rodd rodi rodo roha rohr roia roid roio roir roit roob rood rooi roop roor root ropa ropo rora rori roro rort rota roth roti roto rotr rott rpdp rpho rpii rpob rpta rptd rrad rrah rrat rrrr rtai rtdt rtpa rttp taa- taar taat taba tabb tabi tabo tada tado taha tahi taho tahr taia taio taip tair tait taoa taor tapa tapi tapo tapp tapr tapt tara tarb tard tari taro tarp tarr tart tata tatb tath tati tato tatr tatt tbar tbit tbrb tbta tbtp tdap tddb tdor tdra tdri thaa thad thai thao thar that thdr thhp thi- thia thio thir thoo thor thot thpp thra thri thro thtb thtr tiaa tiab tiao tiar tiba tibi tidd tiht tiit tiop tip- tipa tipi tipo tipp tipt tira tirb tird tiri tiro tirr tita tith titi tito titp titt toab toad toat toba tobi tobo tobt toda todd todi todo todt tohi toho toid toit tooa tood tooh toor toot top- topa topd toph topi topo topp topt tora tord tori toro torp torr tort tota totd toth toti toto totr tott tpap tpia tpir tppa tppd tppp tppr tptp tptr traa trab trad trai trao trap trat tri- tria trib trio trip trit troa trod troi troo trop trot trpa trpp trra trtr ttab ttbb ttop tttt