-up fff ffm ffo ffp fft ffu fmf fmm fmo fmp fmt fmu fof fom foo fop fot fou fpm fpo fpp fpt fpu ftf ftm fto ftp ftt ftu fuf fum fuo fup fut fuu m-f m-o mff mfm mfo mfp mft mfu mmf mmm mmo mmp mmt mmu mof mom moo mop mot mou mpf mpm mpo mpp mpt mpu mtf mtm mto mtp mtt mtu muf mum mup mut muu of- off ofm ofo ofp oft ofu om- omf omm omo omp omt omu oo- oof oom ooo oop oot op- opf opm opo opp opt ot- otf otm oto otp ott otu ou- ouf oum ouo oup out p-p pff pfm pfo pfp pft pfu pmf pmm pmo pmp pmt pmu pof pom poo pop pot pou ppf ppm ppo ppp ppt ppu pt- ptf ptm pto ptp ptt ptu puf pum pup put puu tff tfm tfo tfp tft tfu tmf tmm tmo tmp tmt tmu to- tof tom too top tot tou tpf tpm tpo tpp tpt tpu ttf ttm tto ttp ttt ttu tuf tum tuo tup tut tuu uff ufm ufo ufp uft ufu um- umf umm umo ump umt umu uom uoo uop uot up- upf upm upo upp upt upu utf utm uto utp utt utu uum uut uuu