klks klla kllb kllc klle kllk klls klrc klrk klrr klrs klsa klsc klse klsr krab krac krae krak kral krar kras krba krbb krbe krbk krbl krbr krca krcb krcc krce krcl krcs krea kreb krec kree krek kres krka krkc krke krkk krkr krks krla krlc krle krrb krrc krre krrk krrl krrr krrs krsa krsc krse krsk krsl krsr krss ksab ksac ksak ksal ksar ksas ksba ksbc ksbl ksbr ksbs ksca kscb ksce ksck kscl kscr kscs ksea ksec ksee ksek ksel kser kska kskb kske kskk kskr ksks ksla kslb kslc ksle kslk ksll kslr ksra ksrb ksrr ksrs kssa ksse kssl kssr ksss laaa laac laak laal laar laas laba labe labr labs laca lacc lace lack lacl lacs lael laer laes laka lake laks lala lale lall lara larb larc lare lark larr lars lasa lase lask lass lbar lbcc lblr lbrs lbsc lcac lcbc lcca lccc lcce lccs lcer lces lcls lcra lcrl lcrs lcsc lcsr leaa leak leal lear leas leba leca lece leck leea leek leel leer lees leka leke lekk leks lela lele lell lera lerc lere lerk lesa lese lesk less lkab lkal lkrs llbs llcc llcs lles llks lllc llll lrac lral lrba lrcs lrrc lrrr lrse ls-r lscb lscs lsea lses lsla lsrc lssa lssr raab raak raas raba rabb rabe rabk rabl rabs rac- raca racc race rack racs raec rael raer raes raka rake rakk rala ralb rale rall rara rarb rare rark rars rasa rasc rase rask rasl rass rbbb rbbr rbbs rbcl rble rbsl rbss rcac rcas rcbc rccb rccc rccs rcle rcls rcsa rcsc rcsl rcss rea- reac reae reak real rear reas reba rebb rebe rebk rebs reca recc rece reck recr recs reeb reek reel rees reka reke reks rela relb rele rell rels rera rere rers resa rese ress rkss rlab rlcs rlee rlls rras rrle rrrr rsaa rscc rscs rsee rslc rsre rssa rssl sa-c saab saac saae saak saal saar saas saba sabb sabc sabe sabr sabs saca sacc sace sack sacr sacs saeb saek sael saer saes saka sakb sake sakk saks sala salc sale salk sall sals sara sarc sare sark sarl sarr sars sasa sasc sase sask sasl sass sbaa sbac sbar sbas sbbs sbca sbcc sbcs sber sbrk sbsa sbse scaa scab scac scak scal scar scas scba sccc scce sccl sccs scea scec scee scel scer sck- sckl scl- sclc sclk scls scr- scra scrc scre scrs scsa scsc scsl scsr se-c se-e se-k se-s seaa seab seac seak seal sear seas seba sebe sebs sec- seca secc sece seck secr secs seea seeb seec seek seel seer sees seka seke sekk sela selb sele selk sell sels sera serb serc sere serk serr sers sesa sesc sese sess skab skac skal skar skee skel sker skes skra skss slaa slab slac slae slak slas slcc slea sleb slee sler sles slrc slre slrs slsa slsc sras srbc srcc sreb srec sres ssaa ssab ssac ssas ssbr ssca sscc ssce sscs ssec ssee sses ssla sslc ssle ssra ssrc ssrl ssrs sssa sssb sssc ssss