riue rius rixc rixe rncs rndc rnds rnie rnin rred rrrr rrun rscc rscn rscs rsdd rsds rsee rsid rsis rsnn rsnr rsre ruce ruci rudd rude rudi ruds rued ruen ruer rues ruid ruin ruis runc rund rune runi runn runs rurc rurd rure ruri rurs ruru ruse rusi russ rusu ruud ruun rxes s-ic s-ii sccc scce sccs scdc scds scec scee scer sci- scic scid scie scin scir scis scnd scnr scr- scrc scre scri scrn scrs scsc scsd scsi scsn scsr scsu scud scun scur sdcc sddc sdds sder sdes sdic sdrc sdrs sdsc sdss sdsu se-c se-d se-e se-i se-n se-s se-u se-x sec- secc secd sece secn secr secs secu sede seds seec seed seen seer sees seeu seex seid seie seii sein seir seis seiu seix send sene seni senn senr sens serc serd sere seri sern serr sers seru sesc sese sesi sess seui seur seux sex- sexe sexi sicc sice sici sics sicu sidd side sidi sidr sids siec sied sien sier sies siex sind sine sini sinn sins sinu sirc sire siri sirr sirs siru sisc sisd sise sisi siss sisu siue siui sius sixe sixx sncc sned snee sner snes snid snie snir snns snrs snsd snur snus srcc srde srec sres sris srni srnn srsd sscc ssce ssci sscs ssdc ssdd ssec ssee sses ssex ssid ssin ssis ssns ssrc ssri ssrs sssc sssi ssss suc- succ suci sucr sucs sudd sude sudi suds sued suee suen suer sues sueu suid suie suin suir suis sun- sund sune suni sunn suns sunu sur- surc surd sure suri surn surr surs suru sus- susd suse susi suss susu suus sux- suxe sxde u-ie ucci ucdc ucdd uces ucin ucrc ucsc ucsd ucsu uddi udds uden uder udic udid udin udir udsd udun uein ueir uend uers uesn uess uies uirr uisd uise uncc unce unci uncs unde undi unds unec uned unee unen uner unes uni- unic unie unii unin unir unis unix unne unni unns unrs uns- unsc unus urci urde urds urdu ure- ured ures urex uric urie urin uris uriu urix urne urni urns urre urri urse ursi urss ursu urun urur urus uscc usce uscs usdc usde usds used usee usen user uses usie usin usis usix usnc usnr usnu ussc usse ussr usss ussu usui usun usus uuen uuni uuri uusi uuuu uxue uxus x-ed xces xcii xcis xcri xdcc xdin xeer xen- xene xeni xenn xenu xer- xers xeus xexe xics xidi xiii xine xinu xisi xixi xnee xrcd xrds xsin xsun xuri xurs xuxu xxii xxix xxxi xxxx