rice rics riem rier ries rieu riis rime rimi rimm rims rimu rimy rire riri rirs risc rise risi rism riss risu riue rius rmbs rmsc rrmc rrrr rrum rsbi rscc rscs rscy rsee rsis rsme rsre rsum rubb rube rubi rubs rubu ruby ruce ruci ruer rues ruis rumb rume rumi rumm rums rumy rurc rure ruri rurs ruru ruse rusi russ rusu rusy ruyi ruys rybe ryeb ryes ryim ryis ryme rysy ryue s-ib s-ic s-ii sbbs sbcc sbcs sber sbic sbmc sbse sbsi sbus scbi sccc scce sccm sccs sccy scec scee scer scey sci- scic scie scim scir scis scmc scmm scms scr- scrc scre scri scrs scry scsc scsi scsr scsu scub scum scur scye se-c se-e se-i se-s se-u se-y sebe sebi sebs seby sec- secc sece secr secs secu secy seeb seec seem seer sees seeu seey seie seii seim seir seis seiu semc seme semi sems semu semy serb serc sere seri serm serr sers seru sery sesc sese sesi sess seui seur seye seym seys sibc sibe sibi sibs sibu siby sicc sice sici sicm sics sicu siec sier sies siim sime simi simm sims simy sirc sire siri sirr sirs siru sisc sise sisi siss sisu sisy siue siui sium sius siyi siyu smbc smbe smcc smeb smec smee smei smic smie smis smry smsc smss smur smus srbc srby srcc sreb srec srem sres srib srim sris srmc srub ssbr ssby sscc ssce ssci sscs ssec ssee ssem sses ssis ssmc ssrc ssri ssrm ssrs sssb sssc sssi sssm ssss sub- subb subi subm subs suc- succ suci sucr sucs suee suer sues sueu suey suie suir suis sum- sume sumi sums sumu sumy sur- surc sure suri surr surs suru sury sus- suse susi suss susu susy suum suus suyi suyr suyu syce sycr syer syes syis sym- syme symi syms syre syrs syry syse syss syue u-ie ubbe ubbi uber ubic ubii ubir ubis ucbc ucci uces ucmc ucrc ucsb ucsc ucsm ucsu ueir uers uess ueys uies uims uirr uise umb- umbe umbi umec umer umes umms umri umsu umus urbe urbi urbs urci urcy ure- ures urey urib uric urie urim uris uriu urmi urre urri urry urse ursi urss ursu ursy urum urur urus usbc usbe usbr usbs uscc usce uscm uscs usee user uses usie usim usis usmc usme usmm usms ussb ussc usse ussr usss ussu ussy usui usus uuri uusi uuuu uyir uyre ybbs yber ybry yccc ycee ycie ycsb ye-u yeer yees yeie yeii yeir yeme yemm yerb yere yeri yerm yerr yers yery yesi yesm yess yesu yeue yeye yeyi yeyr yirb yire yirm yirr yise yiss ymci ymer ymir ymur ysby ysee yser yses ysii ysse yssu ysue ysyb yubu yuce yuer yuie yume yumi yure yuri yury yuye yuyu yyyy