fff ffg ffo fft ffv fgf fgg fgt fgv fof fog foo fot ftf ftg fto ftt ftv fvg fvt gff gfo gft ggg ggo ggt ggv gof gog goo got gov gtf gtg gto gtt gtv gvf gvg gvo gvt of- off ofg ofo oft ofv ogf ogg ogo ogt oo- oof oog ooo oot oov ot- otf otg oto ott otv ov- ovf ovo ovv tff tfg tfo tft tgf tgg tgo tgt tgv to- tof tog too tot tov ttf ttg tto ttt ttv tvf tvg tvo tvt vff vfg vft vfv vgf vgg vgo vgt vof vog voo vot vov vtg vto vtt vtv vvg vvo vvt vvv

ffff fftf fofo fogg fogo foof foot foto fott ggfg gggg goff gogo goof goog goot goto gott gotv govt gtfo gvtv gvvv off- offo ofgo ogog ooff oooo oto- otof otog otoo otov otto ovo- ovoo ovot tfot toff tofo toft togo togt toof toot toto tott tovo ttff tttt tvtv voff vogt voog voot voto vvog vvvv

foggo go-go go-oo go-to gooff gotoo gotto offof offto ofoto ogogo ooooo oovoo ototo ottov to-go toffo toto- totoo ttttt votto

foofoo go-off googoo gotoff off-go oooooo tootoo vvvvvv

foo-foo goo-goo goofoff goooooo gottogo off-off too-too tototoo

gogogogo goof-off toottoot

togototogo