fff ffo ffr fft ffv fof foo for fot frf fro frr frt ftf fto ftr ftt ftv fvt of- off ofo ofr oft ofv oo- oof ooo oor oot oov or- orf oro orr ort orv ot- otf oto otr ott otv ov- ovf ovo ovv rff rfo rfr rft rfv rof roo ror rot rov rrf rrr rrt rtf rto rtr rtt rtv rvf rvo rvr rvt rvv tff tfo tfr tft to- tof too tor tot tov trf tro trr trt trv ttf tto ttr ttt ttv tvf tvo tvr tvt vff vfr vft vfv vof voo vor vot vov vrf vrr vrt vto vtr vtt vtv vvo vvr vvt vvv

ffff ffrr fftf fofo foof foot for- foro forr fort foto fott fr-v frot frvt off- offo offr ofor ooff oooo oort orff oro- orof oror orot orro orto orvr oto- otof otoo otor otov otro otto ovo- ovoo ovot roff rofo roof roor root roro rort roto rotr rott rovo rrrr tfot toff tofo toft toof toor toot torf toro torr tort torv toto totr tott tovo trfr troo trot trtr ttff tttt tvro tvrr tvtv vfor voff vofr voor voot vor- voro vort voto vrot vrto vvvv

forro forto forvo froot ftrtt offof offto ofoto ooooo oovoo orfor ortoo ototo otrov ottov ro-ro rofor rooft roto- rotor rotot rotto rttov toffo tofor torro torto toto- totoo troff troft trott trovo ttttt votto

foofoo forrot fortov oftfor oofotr oooooo ottoor rootof to-fro tootoo tororo torovo tortor totoro totrot trotro vorort vvvvvv

foo-foo footrot forroot off-off ottrott rootfor rootrot too-too tototoo tro-tro trotoff

toottoot torotoro vorovoro

footforfoot