fff ffn ffo ffp ffr fft fnf fnn fnp fnr fnt fof fon foo fop for fot fpn fpo fpp fpr fpt frf frn fro frp frr frt ftf ftn fto ftp ftr ftt nff nfn nfo nfp nfr nft nnf nnn nno nnp nnt no- nof non noo nop nor not npf npn npo npp npr npt nrf nrn nro nrp nrr nrt ntf ntn nto ntp ntr ntt of- off ofn ofo ofp ofr oft on- onf onn ono onp onr ont oo- oof oon ooo oop oor oot op- opf opn opo opp opr opt or- orf orn oro orp orr ort ot- otf otn oto otp otr ott p-p pff pfn pfo pfp pfr pft pn- pnf pnn pno pnp pnr pnt pof pon poo pop por pot ppf ppn ppo ppp ppr ppt prf prn pro prp prr prt pt- ptf ptn pto ptp ptr ptt rff rfn rfo rfp rfr rft rnn rno rnp rnr rnt rof ron roo rop ror rot rpf rpn rpo rpp rpr rpt rrf rrn rrp rrr rrt rtf rtn rto rtp rtr rtt tff tfn tfo tfp tfr tft tnf tnn tno tnp tnr tnt to- tof ton too top tor tot tpf tpn tpo tpp tpr tpt trf trn tro trp trr trt ttf ttn tto ttp ttr ttt

ffff ffrr fftf fofo fono font foof foon foot fopp for- forn foro forr fort foto fotp fott fprf fron frop frot ftop nfff nfon nfto nnnn nnot nnpr nntn non- nonn nono nont noo- noon nooo noop noor noot nor- norf norn noro norr nort not- noto nott nprt nptn nron nrpn ntfp ntof ntop ntto nttr off- offo offr ofno ofor oftp onno onon onor onpt ont- onto ooff oont oooo oort ootp opo- opon opor oppo optn opto orff orno oro- orof oron oror orot orro orto otfp oto- otof oton otoo otor otpp otro otto pfff pffr pfft pnon pnot pnpo pnpp pnro pntr poff pono ponp pont poof poon poop poor poot pop- popo popp popt porn poro porr port potf poto pott pppn pppo pppp pprf pptn pptt prnp pro- prof pron proo prop prot prtp prtr ptop ptrf rnnt rnot rntp roff rofo rono ront roof roon roop roor root ropo roro rort rotn roto rotr rott rpof rpon rppn rptn rrrr rttp tfnp tfot tfpt tftp toff tofo toft tonn tono toof toon toor toot top- topf topo topp topt torf torn toro torp torr tort toto totr tott tpon tppp tppr tptp tptr trfr trno tron troo trop trot trpn trpp trtr ttff ttfn tton ttop tttt

forno forro forto foton fprot front froop froot frorn ftrtt n-p-n nnooo no-no no-op nofor nonno nonop nonot noort noron norro nortt notno noto- notof noton notto nroff ntoro offof offon offto ofono oforn ofoto ofpop onoff onont onoon onorn onoto onpop onpot onto- ontof ontoo ontop ooooo opnto oppon opto- optot optto orfor ornon ornot orono orton ortoo otono ototo otpor p-n-p pforp po-on po-po ponor ponto poopo poort popon popop poppo porn- porno poro- poron porro porto potof poton potoo potop potor potro potto pptnt prntr proff proft proof proor proot prop- propn propp propr propt prot- proto prtor ptprf ptprn ptpro ptprr ptprt ro-ro rofor ronno ronto rooft roto- roton rotor rotot rotto rprop rptor t-pop t-top tnftp tntnt toffo tofop tofor tono- tonof tonto topo- topof topon topor topot toppo topto toron torpo torro torto toto- toton totoo totop tprot troff troft trono troon troop trop- tropo trott ttttt

f-prot foofoo forrot forton fotron ftroop n-toon noforn non-no non-op nonono nonoon nonpro noonoo noonor noonto noroff noroof norton notfor notron notton nottoo offton ofpoor oftfor on-off onfoot oofotr oooooo oporto optfor optoro oroton ottoor ponton poopoo popfor popoff popopo poporo poppop poptop porno- porron portof porton potron potton pottop pppppp profor pronto proto- proton ronnon ronron rootof rooton rotton to-fro to-on toforn tonono tonoro tonpon tonton tootoo topoff toppop topton tororo torpor tortor totnor totopo totoro totrot tronto tropo- troppo trotro

foo-foo footrot forroot fortorn fronto- fronton frotton nonpoor nonroof nontort nontron noroton nortoft nortorf notpron off-off ofproof on-foot onoffon ontopof ornotto ortofon ortono ottrott pontoon ponttor poo-poo poonoor pop-off pop-top potoroo profoto proport rooftop rootfor rootrot tonfon too-too top-off topfort tornoff toronto tototoo tro-tro trotoff

foot-ton foptroop forfrorn nononono nonproof poorpoor poroporo roof-top rotfront rotproof ton-foot toottoot top-root torotoro

nonproton poto-poto proprotor rot-front rot-proof torontron trntrntrn

torontoont

footforfoot potoooooooo proof-proof

toptoptoptop