a-do aaaa aaac aaad aaaf aaas aaca aacc aacd aacf aaco aacs aact aada aadc aads aadt aafa aafc aafd aaff aaoo aasa aasc aasd aasf aass aast aata aatc aatf aatt ac-t acaa acac acad acas acat acca accc accd accf acco accs acct acda acdc acdf acds acdt acfc acfd acfs acft acoa acod acos acot acsa acsc acsd acss acst acta actc actf acto acts actt adaa adac adad adao adas adat adcc adcs adda addc addd addo adds adfa adfc adfs adoc adod adoo ados adot adsa adso adss adst adta adts afaa afad afao afat afca afcc afcs afdc affa affc affo affs afft afoa afoo afsa afsc afst afta aftc afts aoca aocs aosd aoss aotc aotd aotf asaa asac asad asaf asao asas asat asc- asca ascc asco asct asda asdf asdo asds asfa asoc asod asof asos asot assa assc assd asso asss asst asta astc asto asts at-t ataa atac atad atas atat atca atcc atcf atco atcs atdt atfc atfs atoc atod atof atos atot atsc atst atta atto atts c-cd caaa caac caaf caas caat cac- caca cacc caco cada cadc cadd cado cads cafa cafc caff cafs caod caos casa casc casd caso cass cast cat- cata catc catd catf cato cats catt ccaa ccac ccad ccaf ccas ccat ccca cccc cccf cccs ccdc ccdf ccds ccfa ccfc ccfd ccff ccoc ccod ccsa ccsd ccsf ccss ccst cctc cctt cdaa cdac cdad cdcs cdda cdfa cdfs cdos cdot cdss cfaa cfac cfao cfca cfcf cfco cfcs cfda cfds cfoa cfos cfsa cfta cftc coad coas coat coca coco coct coda codd cods cofc coff cofs coft cood coof coos coot cosa cosc coso coss cost cota cotc coto cots cott csaa csac csao csas csat cscc cscd cscf csco cscs csda csfc csos csot cssa cssd csta cstc cstd csto csts ctca ctcf ctfc ctfo ctfs ctos ctot ctsa ctsc ctss ctta ctts daad daas daca dacs dact dada dado dads dafa dafc daff dafo dafs daft daos dasa dasc dasd dass dast data dato dats datt dcas dcca dccc dccs dcct dcds dcfc dcfs dcos dcsc dcss dctc dcts dddd ddoc ddot ddss ddts dfaf dfas dfcc dfco dfcs dfds dfdt dffa dfts doas doat doca doco docs doct dod- doda dodd dodo dods doff dood doof doos doot dosa doso doss dost dota dotd doto dots dott dsac dscc dscs dsda dsfa dsfc dsoa dsos dssa dssc dsst dstc dsto dsts dtaa dtac dtcc dtfc dtot dtss faaa faac faad faas faca facc facs fact fada fadd fado fads fafa fafc faff fafo fasa fasc fasd faso fass fast fata fatc fatf fato fats fatt fcas fcat fcca fccf fcda fcds fcot fcsc fcst fcto fdca fdoa fdoc fdos fdot fdst fdtc ffcc ffff ffsa ffss fftf foad foaf foca foco focs foda fofo food foof foos foot fosa foso foss fost fota foto fots fott fsas fscc fsfo fssa fssc fssf fsta ft-c ftcd ftfc ftos ftsa oafc oafo oafs oasc oass oast oats ocac ocad ocas ocat occa occc occt ocds ocfa ocos ocsa oct- octa octo octs odac odas odda oddd odds odoo odos odot odso odts ofas off- offa offc offo offs ofst ofta ooaa ooda ooff oofs oooo ooos oosa oost oots osaf osas osat osca oscc osco osfa osoo osos ossa ossd osso osta ostc osts otac otas otcd otfc oto- otof otoo otos otsa otso otta otto otts s-os sa-c saac saad saaf saas saat saca sacc sacd saco sacs sact sada sadc sadd sado sads sadt safa safc saff safo saft saos sasa sasc sasd sasf saso sass sast sata satc satd sato sats satt scaa scac scad scaf scas scat sccc sccs scct scda scdc scdf scds scfa scfc scoo scot scsa scsc scsd scso scst sctc sctd scto scts sdcc sdco sddc sdds sdfc sdot sdsc sdsf sdss sfas sfca sfcc sfco sfcs sfdc sffc sfos sfss sfts soad soas soat soca soco socs soda sodd sodo sods sofa sofo soft sood soof soos soot sosa soso soss sost sota sotc soto sots ssaa ssac ssao ssas ssat ssca sscc sscs ssdc ssdd ssdf ssfc ssoc ssot sssa sssc sssf ssss ssta sstc sstd ssts stac stad stas stat stca stcc stcs stds stfc stoa stod stof stoo stos stot stsf stss sttc sttd taa- taaf taas taat taca tacc taco tacs tact tada tado tads tafa tafc taff tafo taft taoa taos tasa tasc tass tast tata tato tats tatt tcad tcca tccc tcdd tcfc tcos tctc tcts tdac tdff tdss tfca tfdc tfot tfsd tfss tftc toad toas toat toca toco toda todd todo tods todt tofa toff tofo toft tooa tood toof toos toot tosa tosc toso toss tost tota totc totd toto tots tott tsaa tsao tsat tsca tscc tsfc tsos tssa tssf tsst tstc tsts ttfa ttfc ttff ttss tttt