msgr msgs msic msmb msmc msmm msms msmu msrb mssg mssi mssm mssr msus mubi mubs muc- mucc muck mucu mugg mugi mugs mugu muir muis muki mumm mums mumu murc murg muri murk murr murs muru musc musi musk muss musu rbbb rbbr rbbs rbis rbmk rbms rbss rcbc rccb rccc rccs rcgc rcic rcis rcms rcrg rcsc rcsi rcss rgbi rib- ribs ribu ricc rick rics rigg rigi rigs rigu riis riki rikk riku rimi rimm rims rimu riri rirs risc risi risk rism riss risu rius rkss rmbs rmrg rmsc rrkm rrmc rrrr rrum rsbi rscc rscs rsgb rsgc rsis rsmg rsum rubb rubi rubs rubu ruci ruck rugg rugi rugs ruis ruki rukk ruku rumb rumi rumm rums rurc ruri rurs ruru rusi rusk russ rusu s-ib s-ic s-ii sbbs sbcc sbcs sbic sbig sbmc sbrk sbsi sbus scbi sccc sccm sccs scgs sci- scic scim scir scis sck- scmc scmm scms scr- scrc scri scrs scsc scsi scsr scsu scub scug scum scur sgcb sgcg sggg sggs sgic sgsm sgss sibc sibi sibs sibu sicc sici sick sicm sics sicu sigg sigi sigs siik siim siki sikr siks siku simi simm sims sirc siri sirk sirr sirs siru sisc sisi sisk siss sisu siui sium sius skic skig skik skim skir skis skiu skss skui skum skur smbc smcc smgs smic smig smis smkb smki smrk smsc smss smug smur smus srbc srcc srgb srib srim sris srmc srub ssbr sscc ssci sscs ssgs ssis ssmc ssrc ssrg ssri ssrm ssrs sssb sssc sssi sssm ssss sub- subb subg subi subm subs suc- succ suci suck sucr sucs sug- sugg sugi suig suir suis suki suks suku sum- sumi sums sumu sur- surc surg suri surr surs suru sus- susi susk suss susu suum suus ubbi ubic ubii ubik ubir ubis ucbc ucci ucmc ucrc ucsb ucsc ucsm ucsu ugcc ugcg uggs ugis ugri ugur uguu uims uirr ukcc ukrc uksc uksg ukum ukur umb- umbi umik ummg umms umri umsu umus urbi urbs urci urgi urgu urib uric urik urim uris uriu urmi urri ursi urss ursu uruk urum urur urus us-k usbc usbr usbs uscc uscg uscm uscs usim usis usmc usmm usms ussb ussc ussr usss ussu usui usus uuri uusi uuuu