krks krna krnb krne krnk krnn krrb krrc krre krrk krrn krrr krrs krsa krsc krse krsk krsn krsr krss ksab ksac ksak ksan ksar ksas ksba ksbc ksbn ksbr ksbs ksca kscb ksce ksck kscn kscr kscs ksea ksec ksee ksek ksen kser kska kskb kske kskk kskn kskr ksks ksna ksnb ksnc ksnk ksnn ksnr ksns ksra ksrb ksrn ksrr ksrs kssa ksse kssn kssr ksss naaa naab naac naan naar naas naba nabc nabe nabk nabs naca nacc nace nack nacs naea naes naka nake naks nan- nana nanb nane nann nans nara narc nare nark narn narr nars nas- nasa nasb nasc nase nask nasr nass nbaa nbak nbar nbas nbbc nbca nbcc nbcs nber ncaa ncac ncar ncba ncbc ncbs ncca nccc nccn nccr nccs ncea ncec ncee ncen ncer nces ncna ncnc ncra ncrc ncre ncsa ncsc ncse ncss neab neac nean near neas neba nebb nebe nebn nebr nebs neca necc nece neck necr necs neea neeb neen neer nees neka neke nena nene nens nera nerc nere nerk nerr ners nesa nesb nesc nese nesn nesr ness nnes nnnn nnsa nnss nrab nras nrca nrcs nren nrna nrrc nrsa nrsc nsaa nsac nsar nsca nscc nscs nseb nsec nser nskk nsna nsnr nsra nsrc nssa nssb nssc nsse nssr nsss raab raak raan raas raba rabb rabe rabk rabs rac- raca racc race rack racs raec raen raer raes raka rake rakk rana ranc rane rank rann rans rara rarb rare rark rars rasa rasc rase rask rass rbbb rbbr rbbs rbss rcac rcas rcbc rccb rccc rccs rcnr rcsa rcsc rcss rea- reac reae reak rean rear reas reba rebb rebe rebk rebs reca recc rece reck recr recs reeb reek reen rees reka reke reks rena rene renk renn rens rera rere rers resa rese resn ress rkss rnas rnbr rncs rras rrna rrrr rsaa rscc rscn rscs rsee rsna rsnn rsnr rsre rssa sa-c saab saac saae saak saan saar saas saba sabb sabc sabe sabr sabs saca sacc sace sack sacn sacr sacs saeb saek saen saer saes saka sakb sake sakk saks sana sane sank sann sanr sans sara sarc sare sark sarn sarr sars sasa sasc sase sask sass sbaa sbac sbar sbas sbbs sbca sbcc sbcs sber sbrk sbsa sbse scaa scab scac scak scan scar scas scba sccc scce sccs scea scec scee scer sck- scna scnr scr- scra scrc scre scrn scrs scsa scsc scsn scsr se-c se-e se-k se-n se-s seaa seab seac seak sean sear seas seba sebe sebs sec- seca secc sece seck secn secr secs seea seeb seec seek seen seer sees seka seke sekk sena sene senn senr sens sera serb serc sere serk sern serr sers sesa sesc sese sess skab skac skan skar skee sken sker skes skn- skra skss snab snak snar snas snba snca sncc sneb snee sner snes snns snra snrk snrs sras srbc srcc sreb srec sres srna srnn ssaa ssab ssac ssan ssas ssbn ssbr ssca sscc ssce sscs ssec ssee sses ssns ssra ssrc ssrs sssa sssb sssc ssss