fff ffo ffp fft fof foo fop fot fpo fpp fpt ftf fto ftp ftt of- off ofo ofp oft oo- oof ooo oop oot op- opf opo opp opt ot- otf oto otp ott p-p pff pfo pfp pft pof poo pop pot ppf ppo ppp ppt pt- ptf pto ptp ptt tff tfo tfp tft to- tof too top tot tpf tpo tpp tpt ttf tto ttp ttt

ffff fftf fofo foof foot fopp foto fotp fott ftop off- offo oftp ooff oooo ootp opo- oppo opto otfp oto- otof otoo otpp otto pfff pfft poff poof poop poot pop- popo popp popt potf poto pott pppo pppp pptt ptop tfot tfpt tftp toff tofo toft toof toot top- topo topp topt toto tott tppp tptp ttff ttop tttt

offof offto ofoto ofpop ooooo opto- optot optto ototo po-po poopo popop poppo potof potoo potop potto t-pop t-top toffo tofop topo- topof topot toppo topto toto- totoo totop ttttt

foofoo oooooo poopoo popoff popopo poppop poptop pottop pppppp tootoo topoff toppop totopo

foo-foo off-off poo-poo pop-off pop-top too-too top-off tototoo

toottoot

poto-poto

potoooooooo

toptoptoptop