rrrr rrsp rsdd rsds rsee rsid rsis rsos rspo rsps rsre rudd rude rudi rudo rudp ruds rued ruer rues ruid ruis rupe rupp rurd rure ruri ruro rurp rurs ruru ruse rusi ruso russ rusu ruud rxes s-ii s-os sdds sdep sder sdes sdio sdpr sdps sdrs sdss sdsu se-d se-e se-i se-o se-s se-u se-x sede sedo seds seed seep seer sees seeu seex seid seie seii seip seir seis seiu seix seod seoi seop sepd sepe sepi sepo sepp sepr seps sepu sepx serd sere seri sero serp serr sers seru sese sesi seso sess seui seur seux sex- sexe sexi sexp sidd side sidi sido sidr sids sied sier sies siex siod sioe siop sior sios siou siox sipe sipi sipo sipp sips sire siri siro sirp sirr sirs siru sisd sise sisi siss sisu siue siui sius sixe sixo sixx sodd sode sodo sods sodu soeo soep soes soie soir sois sood soop soor soos sopd sope sopi sopo sopp sops sopu sord sore sori soro sorr sors soru sose sosi soso soss soud soue soup sour sous soxs spde spdp spdr sped spee sper spes spex spie spio spip spir spis spix spod spoo spop spor spos spox sppd spps sprd spri spro sprs spsd spse spso spsp spss spud spue spui spur spus srde sreo sres sris sros srps srpx srsd srsp ssdd ssdp ssee ssep sses ssex ssid ssis ssop sspe sspo ssps sspx ssri ssrs sssi ssss sudd sude sudi sudo suds sued suee suer sues sueu suid suie suio suir suis suor suos sup- supe supo supp supr sups sur- surd sure suri suro surp surr surs suru sus- susd suse susi suso susp suss susu suus sux- suxe sxde u-ie u-rp uddi udds uder udid udir udoo udop udos udox udpd udsd ueir uepi uers uess uies uipi uirr uisd uise uor- uore updo uped upie upis upor upos uppe uppp uppu upri upse upsi upup urde urds urdu ure- ured ures urex urie uris uriu urix uro- uroo urox urpo urre urri urse ursi urso urss ursu urup urur urus usde usdo usdp usds used usee user uses usie usip usis usix usoe usoi usos uspo uspp usps usse ussr usss ussu usui usus uuri uusi uuuu uxor uxue uxus x-ed xdos xeer xer- xero xers xeus xexe xidi xiii xipe xipu xisi xixi xois xoro xorp xors xoxo xper xrds xrep xrod xsup xuri xurs xuxu xxii xxix xxxi xxxo xxxx