ltsa ltsr lttc lttr ltuc luas luau luba lubs luca lucs luga lugg lugs lugu lula lull lulu lura lurg lurs lurt lusa luss lust luta luts luua raab raag raas raat raba rabb rabl rabs rabu rac- raca racc racs ract racu raga ragg rags ragu rala ralb rall ralt rara rarb rars rasa rasc rasl rass rast rasu rata rats ratt ratu raua raub rauc raul raus raut rbbb rbbr rbbs rbcl rbsl rbss rbst rcac rcas rcbc rccb rccc rccs rcga rcgc rcls rcrg rcsa rcsc rcsl rcss rctc rctg rcts rgba rgtr rgts rlab rlcg rlcs rlls rlua rlug rras rrat rrrr rsaa rscc rscs rsgb rsgc rslc rssa rssl rsts rstu rsua rtas rtca rtcc rtcg rtgs rtls rtlt rtss rtts ruag ruas ruba rubb rubs rubu ruca ruct ruga rugg rugs rula rull rura rurc rurs ruru rusa russ rust rusu ruta rutl ruts rutt rutu sa-c saab saac saag saal saar saas saat saba sabb sabc sabr sabs sabu saca sacc sacr sacs sact sacu saga sagg sags sagt sagu sala salc sall sals salt salu sara sarc sarg sarl sarr sars sart saru sasa sasc sasl sass sast sata satb satc satg satl satr sats satt satu saua sauc saul saur saus saut sbaa sbac sbar sbas sbbs sbca sbcc sbcs sbct sbsa sbst sbtc sbus scaa scab scac scag scal scar scas scat scba sccc sccl sccs scct scgs scl- sclc scls scr- scra scrc scrs scsa scsc scsl scsr scst scsu sctc sctl sctr scts scua scub scug scul scur scut sgaa sgac sgau sgca sgcb sgcg sggg sggs sglr sgls sgss sgta sgts slaa slab slac slag slas slat slau slcc slcu slrc slrs slsa slsc slst slsu slts slub sluc slug slur slut sras srbc srcc srct srgb srta srtr srub ssaa ssab ssac ssas ssat ssau ssbr ssca sscc sscs ssgs ssgt ssla sslc sslt ssra ssrc ssrg ssrl ssrs sssa sssb sssc ssss ssta sstb sstc sstl ssts stab stac stag stal star stas stat stau stbc stbs stca stcc stcs stcu stgr stlc stlg stlt stra strc strs stru stss sttc sttr stub stuc stug stul stur stus stut suar suas suat sub- suba subb subg subl subs suc- succ sucr sucs sug- suga sugg sul- sula sulc sull sult sulu sur- sura surc surg surr surs surt suru sus- susa suss sust susu suta sutu suus taa- taag taal taar taas taat taba tabb tabc tabl tabs tabu taca tacc tacl tacs tact taga tagg tags tagu tala talc tall tals talu tara tarb tarc targ tarr tars tart taru tasa tasb tasc tasr tass tast tasu tata tatb tatr tats tatt tatu taua taub tauc taul taur taus taut tbar tbas tbbs tbca tbcb tbcc tbgs tbrb tbst tbta tcbs tcca tccc tccu tcga tctc tcts tcul tgcc tgtc tgts tlac tlgc tlrs traa trab trac trag tral tras trat trau trca trcc trcl trra trst trtc trtr trub truc trug trus trut truu tsaa tsal tsar tsat tsau tsbc tsca tscc tscg tsgt tssa tssg tssr tsst tstc tsts ttab ttbb ttss tttt ttul tual tuar tuas tuat tuba tubb tubr tubs tubu tuca tucc tuga tugg tugs tugu tula tull tulu tura turb turc turg turr turs turt turu tusa tusc tuss tust tuta tutl tuts tutt tutu uabc uaca uarc uars uart uaru uasa uata uatu uaua ubac ubal ubar ubba ubla ubls ubra ucal ucar ucas ucat ucbc ucca ucla ucrc ucsa ucsb ucsc ucst ucsu ucua ucut ugab ugal ugar ugcc ugcg uggs uggt ugra ugta ugur uguu ulaa ular ulas ulbc ulcc ulla ullr ulsa ulta ults ultt ulua ulul ulus urac ural uras urat urau urba urbs urca urga urgu urla urls urra ursa urss ursu urts urur urus urut us-a usaa usac usag usal usar usas usat usba usbc usbl usbr usbs usca uscc uscg uscs usga uslu usra ussa ussb ussc ussr usss usst ussu usta ustb ustc usts usua usul usus utac utal utas utau utsa utsc utsl uttu utug uulu uuta uuuu