riso risp riss risu riue rius rocc roce roch roco rocs rodd rode rodi rodo rods roed roer roes rohe rohr rohs rohu roid roio roir rois roiu rood rooi roop roor roos rope ropo rops rorc rore rori roro roru rosc rose rosh rosi roso rosp ross roud roue rouh roup rous rpcs rpdp rpho rphs rpii rpoe rpos rpps rred rrhs rrrr rrsp rscc rsch rscs rsdd rsds rsee rshd rshs rsid rsis rsos rspo rsps rsre ruce ruch ruci rudd rude rudi rudo rudp ruds rued ruer rues ruhe ruhh ruhi ruhr ruhs ruid ruis rupe rupp rurc rurd rure ruri ruro rurp rurs ruru ruse rush rusi ruso russ rusu ruud s-ic s-ii s-os sccc scce sccp sccs scdc scdp scds scec scee scep scer sch- sche schh schi scho schr schs sci- scic scid scie scio scip scir scis scoh scoo scop scor scpe scpi scpo scps scr- scrc scre scri scrs scsc scsd scsh scsi scso scsr scsu scud scup scur sdcc sdch sdco sddc sdds sdep sder sdes sdhd sdhs sdic sdio sdpr sdps sdrc sdrs sdsc sdss sdsu se-c se-d se-e se-h se-i se-o se-s se-u sec- secc secd sece sech seco secr secs secu sede sedo seds seec seed seeh seep seer sees seeu sehe sehr sehs seid seie seih seii seip seir seis seiu seoc seod seoi seop sepd sepe sepi sepo sepp sepr seps sepu serc serd sere seri sero serp serr sers seru sesc sese sesh sesi seso sess seui seur shcc shcp she- shed shee sheh sheo shep sher shes sheu shhh shhs shid shie shih shii shio ship shir shis shiu shod shoe shoo shop shor shos shou shps shre shri shrp shrs shsc shud shue shui shup shur shus shuu sicc sice sich sici sico sicp sics sicu sidd side sidh sidi sido sidr sids siec sied sier sies sihi sihr sihs sihu siod sioe siop sior sios siou sipc sipe sipi sipo sipp sips sirc sire siri siro sirp sirr sirs siru sisc sisd sise sish sisi siss sisu siue siui sius soce soch soci soco socr socs sodd sode sodo sods sodu soec soeo soep soes sohh soho sohp sohs sohu soic soie soir sois sood soop soor soos sopd sope soph sopi sopo sopp sops sopu sord sore sorh sori soro sorr sors soru sose sosh sosi soso soss soud soue soup sour sous spcc spco spcs spdc spde spdp spdr spec sped spee sper spes sphr sphs spic spie spio spip spir spis spoc spod spoo spop spor spos sppd spps sprd spri spro sprs spsd spse spso spsp spss spud spue spui spur spus srcc srch srde srec sreo sres srhs sris sros srpc srps srsd srsp sscc ssce ssci sscp sscs ssdc ssdd ssdp ssec ssee ssep sses sshs ssid ssis ssoc ssop sspc sspe sspo ssps ssrc ssri ssrs sssc sssh sssi ssss suc- succ such suci sucr sucs sudd sude sudh sudi sudo suds sued suee suer sues sueu suhi suho suhr suid suie suio suir suis suoh suor suos sup- supe suph supo supp supr sups sur- surc surd sure suri suro surp surr surs suru sus- susd suse susi suso susp suss susu suus u-ie u-rp ucci uccp ucdc ucdd uces uche uchi ucho uchs ucio ucos ucph ucrc ucsc ucsd ucsu uddi udds uder udic udid udir udoh udoo udop udos udpd udsd ueir uepi uers uess uh-d uhde uher uhid uhoh uhrs uhss uhuh uhup uies uipi uirr uisd uise uocc uor- uore upci upcs updo uped upic upie upis upor upos uppc uppe uppp uppu upri upsc upse upsi upup urch urci urde urds urdu ure- ured ureh ures urho uric urie uris uriu uro- uroo urpo urre urrh urri urse ursi urso urss ursu urup urur urus uscc usce usch usco uscs usdc usde usdo usdp usds used usee user uses ushi usho ushr ushs ushu usie usip usis usoc usoe usoi usos uspc uspo uspp usps ussc usse ussr usss ussu usui usus uucp uuoc uuri uusi uuuu