a-ak aaaa aaac aaad aaas aaca aacc aacd aack aacs aact aada aadc aads aadt aaka aasa aasc aasd aass aast aata aatc aatk aatt ac-t acaa acac acad acas acat acca accc accd accs acct acda acdc acds acdt ackd acks acsa acsc acsd acss acst acta actc acts actt adaa adac adad adak adas adat adcc adcs adda addc addd adds adsa adss adst adta adts akaa akas akca akka aksa akst asaa asac asad asak asas asat asc- asca ascc asct asda asds aska asks askt assa assc assd assk asss asst asta astc asts at-t ataa atac atad atak atas atat atca atcc atck atcs atdt atka atkt atsc atst atta atts c-cd caaa caac caas caat cac- caca cacc cack cada cadc cadd cads caka casa casc casd cask cass cast cat- cata catc catd cats catt ccaa ccac ccad ccas ccat ccca cccc cccs ccdc ccds ccsa ccsd ccss ccst cctc cctt cdaa cdac cdad cdcs cdda cdss ckac ckat ckck ckcs cksa ckst ckts csaa csac csak csas csat cscc cscd cscs csda cska csks cssa cssd csta cstc cstd csts ctca ctsa ctsc ctss ctta ctts daad daas daca dacs dact dada dads daka daks dasa dasc dasd dask dass dast data dats datt dcas dcca dccc dccs dcct dcds dcsc dcss dctc dcts dddd ddss ddts dkdc dsac dscc dscs dsda dssa dssc dsst dstc dsts dtaa dtac dtcc dtss kaaa kaak kaas kaat kacc kacd kacs kact kad- kada kadd kads kadt kaka kakc kakk kaks kakt kas- kasa kasc kask kass kast kat- kata katc katd katk kats katt kcaa kcac kcad kcas kcat kcca kccc kccd kcck kcct kcda kcdc kcdd kcds kckc kckk kcsa kcsc kcsd kcss kcst kcta kctc kdaa kdac kdad kdak kdat kdca kdcc kdcd kddc kddd kddk kdka kdkd kdkk kdkt kdsc kdsd kdsk kdss kdst kdta kdtd kkaa kkac kkat kkcd kkck kkcs kkct kkda kkdc kkdd kkdt kkkk kksa kksd kkss kkst kktc kktk kkts ksac ksak ksas ksat ksca ksck kscs ksdc ksdk ksds kska kskd kskk ksks kssa ksss ksst ksta kstc kstk ksts kstt ktaa ktak ktas ktat ktcc ktck ktcs ktdc ktdd ktdk ktkc ktkk ktks ktkt ktsa ktsc ktsd ktst kttc kttk ktts kttt sa-c saac saad saak saas saat saca sacc sacd sack sacs sact sada sadc sadd sads sadt saka sakk saks sasa sasc sasd sask sass sast sata satc satd sats satt scaa scac scad scak scas scat sccc sccs scct scda scdc scds sck- scsa scsc scsd scst sctc sctd scts sdak sdcc sddc sdds sdsc sdss skac skad skat sksd skss ssaa ssac ssas ssat ssca sscc sscs ssdc ssdd sssa sssc ssss ssta sstc sstd ssts stac stad stak stas stat stca stcc stcs stds stks stss sttc sttd taa- taas taat taca tacc tack tacs tact tada tads taka takk taks takt tasa tasc task tass tast tata tats tatt tcad tcca tccc tcdd tctc tcts tdac tdss tkac tkts tsaa tsat tsca tscc tsks tssa tsst tstc tsts ttss tttt