-up fff ffm ffp ffr ffs ffu fmf fmm fmp fmr fms fmu fpm fpp fpr fps fpu frf frm frp frr frs fru fsf fsm fsp fsr fss fsu fuf fum fup fur fus fuu m-f m-r mff mfm mfp mfr mfs mfu mmf mmm mmp mmr mms mmu mpf mpm mpp mpr mps mpu mrf mrm mrp mrr mrs mru msf msm msp msr mss msu muf mum mup mur mus muu p-p pff pfm pfp pfr pfs pfu pmf pmm pmp pmr pms pmu ppf ppm ppp ppr pps ppu prf prm prp prr prs pru ps- psf psm psp psr pss psu puf pum pup pur pus puu rff rfm rfp rfr rfs rfu rmf rmm rmp rmr rms rpf rpm rpp rpr rps rpu rrf rrm rrp rrr rrs rru rsf rsm rsp rsr rss rsu ruf rum rup rur rus ruu sff sfm sfp sfr sfs sfu smf smm smp smr sms smu spf spm spp spr sps spu sr- srf srm srp srr srs ss- ssf ssm ssp ssr sss ssu suf sum sup sur sus suu uff ufm ufp ufr ufs ufu um- umf umm ump umr ums umu up- upf upm upp upr ups upu ur- urf urm urp urr urs uru usf usm usp usr uss usu uum uur uus uuu