kkkk kkmk kkmp kkmr kkms kkpk kkps kkrk kkrr kkrs kksm kksp kksr kkss kksu kkup kkus kkuu kmkk kmks kmmk kmmm kmmr kmms kmpr kmrr kmrs kmsp kmsr kmss kmsu kmur kmus kpkk kpkr kpmp kpmr kppk kppp kppr kprk kprm kprp kprr kprs kpru kpsm kpsp kpsu kpum kpur kpus krkk krkr krks krku krmp krmr krms krpm krpr krps krpu krrk krrm krrr krrs krsk krsr krss krsu kruk krum krup krur kskk kskr ksks ksku ksmm ksmr ksms ksmu kspk kspr ksps ksrm ksrp ksrr ksrs kssm kssr ksss kssu ksum ksup ksuu kukk kuks kuku kumm kump kumr kumu kupr kups kupu kurk kurm kurr kurs kuru kusp kusu kuuk kuur kuuu mkks mksm mmmm mmms mmpr mmpu mmrp mmsu mmus mppp mpps mprp mrkr mrps mruk msmm msms msmu mspp msrp mssm mssp mssr msus mumm mump mums mumu mups murk murr murs muru musk muss musu pkmr pkms pmmp pmmu pmpm pmrs ppms pppp ppps pprm ppru ppss ppur prps prrm prrs prss prum prus pruu pspp pspr psps psrk psrp pssm puku pump pups pupu pur- purp purr purs puru pusk puss rkss rmrp rmsp rpms rpps rrkm rrmp rrrr rrsp rrum rspk rsps rsum rukk ruku rumm rump rums rupp rurp rurs ruru rusk russ rusu skss skum skup skur smps smrk smsp smss smur smus spkr spms spps sprm sprs spsp spss spur spus srps srsp ssps ssrm ssrs sssm ssss suks suku sum- sump sums sumu sup- supp supr sups sur- surp surr surs suru sus- susk susp suss susu suum suus u-rp ukps ukum ukup ukur umms umps umsp umsu umus uppp uppu upup urss ursu uruk urum urup urur urus us-k usmm usmp usms uspp usps ussr usss ussu usus uuuu