fff ffm ffo ffp ffr fft fmf fmm fmo fmp fmr fmt fof fom foo fop for fot fpm fpo fpp fpr fpt frf frm fro frp frr frt ftf ftm fto ftp ftr ftt m-f m-o m-r mff mfm mfo mfp mfr mft mmf mmm mmo mmp mmr mmt mof mom moo mop mor mot mpf mpm mpo mpp mpr mpt mrf mrm mro mrp mrr mrt mtf mtm mto mtp mtr mtt of- off ofm ofo ofp ofr oft om- omf omm omo omp omr omt oo- oof oom ooo oop oor oot op- opf opm opo opp opr opt or- orf orm oro orp orr ort ot- otf otm oto otp otr ott p-p pff pfm pfo pfp pfr pft pmf pmm pmo pmp pmr pmt pof pom poo pop por pot ppf ppm ppo ppp ppr ppt prf prm pro prp prr prt pt- ptf ptm pto ptp ptr ptt rff rfm rfo rfp rfr rft rmf rmm rmo rmp rmr rmt rof rom roo rop ror rot rpf rpm rpo rpp rpr rpt rrf rrm rrp rrr rrt rtf rtm rto rtp rtr rtt tff tfm tfo tfp tfr tft tmf tmm tmo tmp tmr tmt to- tof tom too top tor tot tpf tpm tpo tpp tpr tpt trf trm tro trp trr trt ttf ttm tto ttp ttr ttt

ffff ffrr fftf fofo fomo fomp fomt foof foom foot fopp for- form foro forr fort fotm foto fotp fott fprf from frop frot ftop mfor mfrp mftf mmff mmmm mmor mmpr mmrf mmrp moff mofo momo moop moor moot mopp morf moro mort motm moto mott mppf mppp mprf mpro mprp mptp mrtm mrtt mtff mtom mtor mtrr mttr off- offo offr ofor oftp omo- omoo omor ompt omro ooff oooo oort ootp opo- opor oppo opto orff ormo oro- orof orom oror orot orro orto otfp oto- otof otoo otor otpp otro otto pfff pffr pfft pmmp pmpm pmpo pmrt poff pomo pomp poof poop poor poot pop- popo popp popt poro porr port potf poto pott pppo pppp pprf pprm pptt pro- prof prom proo prop prot prrm prtm prtp prtr ptmp ptop ptrf rmrp roff rofo romm romo romp roof room roop roor root ropo roro rort roto rotr rott rpof rrmp rrrr rtfm rtmp rttp t-mo tfot tfpt tftp tmro tmtt toff tofo toft tomm tomo tomp tomt toof toom toor toot top- topf topo topp topt torf torm toro torp torr tort totm toto totr tott tpmt tppp tppr tptp tptr trfm trfr trom troo trop trot trpm trpp trtr ttff ttop tttt

-form fomor form- forro forto fprot fromm froom froop froot ftrtt mmmmm moffo momot mooro mooto mormo morop moror morro moto- motor motto mrmom mroof mrorr mt-tf mt-tm mt-tp mt-tr mt-tt mtfmt mtoto offof offto ofoto ofpop omoro omoto oompf ooooo opto- optot optto orfor oromo ortoo otomo ototo otpor ottom pforp po-po pomor poopo poort popop poppo poro- porro porto potof potom potoo potop potor potro potto proff proft promo promt proof proor proot prop- propp propr propt prot- proto prtor ptprf ptprm ptpro ptprr ptprt ro-ro rofor romfo rompo rompt rooft roto- rotor rotot rotto rprop rptor rtrfm t-pop t-top toffo tofop tofor tommo tomo- tomom tomor topo- topof topor topot toppo topto torpo torro torto toto- totoo totop tprot troff troft tromm tromp troop trop- tropo trott ttttt

f-prot foofoo formo- forrot fortmp ftroop moffom moomoo moopoo moptop mormor moroto morrot motmot motor- motoro mrmoto ofpoor oftfor oofotr oomoto oooooo oporto optfor optoro oromoo oropom otmoor ottoor pompom poopoo popfor popoff popopo poporo poppop poptop portof portom pottop pppppp profor prompt proto- roomto rootof t-form t-room tfromt to-fro toform tommot tomort tompot tomtom tomtor tootoo topoff toppop tororo torpor tortor totopo totoro totrot trompo tropo- troppo trotro

foo-foo footrot forroot moo-moo moortop off-off offform ofproof ottrott pom-pom pomport poo-poo pop-off pop-top potoroo proform profoto proport rooftop roomfor rootfor rootrot rototom tom-tom too-too top-off topform topfort tototoo tro-tro trotoff

foptroop fotoform off-form omprompt optoform orompoto poorpoor poroporo portmoot pro-form promotor proproom roof-top roto-tom rotproof tom-trot toottoot top-root torotoro

mommoppop optomotor oromoromo port-mort poto-poto prompromo proofroom proprotor rot-proof

proto-form

footforfoot potoooooooo proof-proof

mmmmmmmmmmmm toptoptoptop