-up m-r mmm mmp mmr mms mmu mpm mpp mpr mps mpu mrm mrp mrr mrs mru msm msp msr mss msu mum mup mur mus muu p-p pmm pmp pmr pms pmu ppm ppp ppr pps ppu prm prp prr prs pru ps- psm psp psr pss psu pum pup pur pus puu rmm rmp rmr rms rpm rpp rpr rps rpu rrm rrp rrr rrs rru rsm rsp rsr rss rsu rum rup rur rus ruu smm smp smr sms smu spm spp spr sps spu sr- srm srp srr srs ss- ssm ssp ssr sss ssu sum sup sur sus suu um- umm ump umr ums umu up- upm upp upr ups upu ur- urm urp urr urs uru usm usp usr uss usu uum uur uus uuu

mmmm mmms mmpr mmpu mmrp mmsu mmus mppp mpps mprp mrps msmm msms msmu mspp msrp mssm mssp mssr msus mumm mump mums mumu mups murr murs muru muss musu pmmp pmmu pmpm pmrs ppms pppp ppps pprm ppru ppss ppur prps prrm prrs prss prum prus pruu pspp pspr psps psrp pssm pump pups pupu pur- purp purr purs puru puss rmrp rmsp rpms rpps rrmp rrrr rrsp rrum rsps rsum rumm rump rums rupp rurp rurs ruru russ rusu smps smsp smss smur smus spms spps sprm sprs spsp spss spur spus srps srsp ssps ssrm ssrs sssm ssss sum- sump sums sumu sup- supp supr sups sur- surp surr surs suru sus- susp suss susu suum suus u-rp umms umps umsp umsu umus uppp uppu upup urss ursu urum urup urur urus usmm usmp usms uspp usps ussr usss ussu usus uuuu

mmmmm mummu mumps muppu murru murum murup murus pmpus pruss pumps purrs purum purus puurs rrsps rummu rus-m smurr smuss spurr spurs sssss sumps sumru sumup sumur supps supur surpu surur surus susus ursus urums usurp uuuuu

murmur musmus mussum mussup muumuu pppppp ppsspp pumpup purpur rumpus russus srprss sum-up summum sumsup sumuru sursum surumu susumu susurr uruppu usurps

murmurs muu-muu muumuus pum-pum pussums sssssss sursum-

murumuru musumusu sussurus susurrus

pump-pump sumppumps

pumpspumps

mmmmmmmmmmmm