i-no iiii iiio iiit iino iioi iioo iiop iitr iitt init inni inno innr ino- inoi inon inor inot inp- inpi inpp inpt inri inro inti intn into intp intr ioii ioio ioit ioni ionn iono iooi iooo iori ioto ipin ipop ippo ippr ipri ipto iri- irin irio irip iron irop irri irti irtp itin itno itoi iton itoo itor itri itto n-ii niip niir niit nini nino nion nioo nipr nipt niro nirt niti nito nitr nnit nnnn nnot nnpi nnpr nntn noin noio noir noit non- noni nonn nono nont noo- noon nooo noop noor noot nor- nori norn noro norr nort not- noti noto nott npin npri nprt nptn nron nrpn ntop ntto nttr oiii oint oion oirt oiti onir onit onni onno onon onor onpt ont- onti onto oont oooo oort ootp opii opin opio opit opo- opon opor oppi oppo opti optn opto ori- orin orio orit orni orno oro- oron oror orot orpi orri orro orto otin otit oto- oton otoo otor otpp otro otti otto piip pini pinn pino pinp pint pion piot pipi pipo pipp piri pirn piro pirr piti pito pitr pitt pnin pnon pnot pnpo pnpp pnro pntr poin poio poni pono ponp pont poon poop poor poot pop- popi popo popp popt pori porn poro porr port poti poto pott pppn pppo pppp pptn pptt pri- prii prin prnp pro- pron proo prop prot prri prti prtp prtr ptop riin rinn rino rion riot ripi ripp ripr ript riri riti rito ritt rnin rnnt rnot rntp roin roio roir roit roni rono ront rooi roon roop roor root ropo rori roro rort roti rotn roto rotr rott rpii rpon rppn rptn rrrr rttp tiit tini tinn tino tint tion tiop tip- tipi tipo tipp tipt tiri tiro tirr titi tito titp titt toit toni tonn tono toon toor toot top- topi topo topp topt tori torn toro torp torr tort toti toto totr tott tpir tpon tppp tppr tptp tptr tri- trin trio trip trit trno troi tron troo trop trot trpn trpp trtr tton ttop tttt