lilb lili lill lils lilt lira lirc liri lirl lirr lirs lirt lisa lisi liss list lita litb liti litl litr lits litt llat llbs llcc llcs lllc llll lrac lral lrat lrba lrcs lric lrrc lrrr lrst lrta lrts ls-r lsat lscb lscs lsla lsrc lssa lssr lsts ltac ltbl ltcc ltci ltcs ltib ltra ltrs ltsa ltsi ltsr lttc lttr raab raas raat raba rabb rabi rabl rabs rac- raca racc raci racs ract raia raic raii rail rair rais rait rala ralb rall ralt rara rarb rari rars rasa rasc rasi rasl rass rast rata rati rats ratt rbbb rbbr rbbs rbcl rbis rbsl rbss rbst rcac rcas rcbc rccb rccc rccs rcic rcis rcls rcsa rcsc rcsi rcsl rcss rctc rcti rcts riaa riab riai rial rias riat rib- riba ribs rica ricc rics rict riia riis rila rill riri rirs risa risc risi riss rist rita riti ritl rits ritt rlab rlcs rlls rras rrat rrrr rsaa rsai rsbi rscc rscs rsis rslc rssa rssl rsts rtai rtas rtca rtcc rtls rtlt rtss rtts s-ib s-ic s-ii sa-c saab saac saal saar saas saat saba sabb sabc sabi sabr sabs saca sacc saci sacr sacs sact saia saic sail sair sais sait sala salc sali sall sals salt sara sarc sari sarl sarr sars sart sasa sasc sasi sasl sass sast sata satb satc sati satl satr sats satt sbaa sbac sbai sbar sbas sbbs sbca sbcc sbcs sbct sbia sbic sbsa sbsi sbst sbtc scaa scab scac scai scal scar scas scat scba scbi sccc sccl sccs scct sci- scia scic scil scir scis scit scl- sclc scls scr- scra scrc scri scrs scsa scsc scsi scsl scsr scst sctc sctl sctr scts siaa siab siac siai sial sias siat siba sibc sibi sibs sica sicc sici sics siit sil- sila silc sili sill sils silt sira sirc siri sirr sirs sirt sisa sisc sisi siss sist sit- sita sitc siti sits sitt sl-i slaa slab slac slai slas slat slcc slib slic slir slit slrc slrs slsa slsc slst slts sras srbc srcc srct srib sris srta srtr ssaa ssab ssac ssas ssat ssbr ssca sscc ssci sscs ssis ssit ssla sslc sslt ssra ssrc ssri ssrl ssrs sssa sssb sssc sssi ssss ssta sstb sstc sstl ssts stab stac stai stal star stas stat stbc stbs stca stcc stcs stia stib stic stil stir stis stit stlc stlt stra strc stri strs stsi stss sttc sttr taa- taal taar taas taat taba tabb tabc tabi tabl tabs taca tacc taci tacl tacs tact taia tail tair tais tait tala talc tali tall tals tara tarb tarc tari tarr tars tart tasa tasb tasc tasi tasr tass tast tata tatb tati tatr tats tatt tbar tbas tbbs tbca tbcb tbcc tbil tbit tbrb tbst tbta tcbs tcca tccc tctc tcts tiaa tiab tial tiar tias tiba tibi tibs tica ticc tics tiit tila till tilr tils tilt tira tirb tiri tirl tirr tirs tisa tisb tisi tiss tist tita titc titi tits titt tlac tlli tlrs traa trab trac trai tral tras trat trca trcc trcl tri- tria trib tric tril tris trit trra trsi trst trtc trtr tsaa tsai tsal tsar tsat tsbc tsca tscc tsia tsis tssa tssi tssr tsst tstc tsts ttab ttbb ttss tttt