aaaa aaac aaad aaaf aaam aaar aaca aacc aacd aacf aacm aacr aact aada aadc aadt aafa aafc aafd aaff aama aamc aamd aamr aara aarc aard aarm aart aata aatc aatf aatt ac-t acaa acac acad acar acat acca accc accd accf accm acct acda acdc acdf acdm acdt acfc acfd acfm acft acma acmc acmf acr- acra acrc acrm acrr acta actc actf actt adaa adac adad adam adar adat adcc adda addc addd addr adfa adfc adma admr adra adta afaa afad afam afar afat afca afcc afdc affa affc afft afma afmc afr- afra afrc afrm afta aftc amaa amac amad amam amar amat amca amcc amda amdt amfm amfr amm- amma amra amrc amta amtc arac arad araf aram arar arat arc- arca arcm arct arda ardc ardf ardm arfa arfc arff arft arma armc armd armm armt arr- arra arrc arrr arrt arta artc artr at-t ataa atac atad atar atat atca atcc atcf atcr atdt atfc atm- atma atra atrc atrm atta attr c-cd caaa caac caaf caam caat cac- caca cacc cacm cacr cada cadc cadd cadm cadr cafa cafc caff cama camc camm camt cara carc card carf carm carr cart cat- cata catc catd catf catm catt ccaa ccac ccad ccaf ccam ccar ccat ccca cccc cccf cccm ccdc ccdf ccdm ccdr ccfa ccfc ccfd ccff ccma ccmc ccmd ccmm ccra ccrc ccrf ccrt cctc cctt cd-r cdaa cdac cdad cdda cddr cdfa cdma cdmf cfaa cfac cfam cfar cfca cfcf cfcm cfda cffr cfma cfra cfrt cfta cftc cftr cmaa cmac cmcc cmda cmdr cmmc cmra cmrr cmta cmtc crac craf cram crar crat crca crcc crcr crda crdc crfc crrt crtc crtf crtm ctca ctcf ctfc ctma ctrc ctrm ctta daad daam daar daca dact dada dafa dafc daff daft dama damm dara darc dard darf darr dart data datr datt dcca dccc dcct dcfc dcma dcra dctc dctm dddd ddrc dfaf dfcc dfdt dffa dfma dfrf dftr dmaa dmac dmcc dmcm dmdc dmdt dmfa dmft dmrc dmtf draa drac drad draf dram drar drat drca drda drfc drra dtaa dtac dtcc dtfc faaa faac faad faam faca facc fact fada fadd fafa fafc faff fama fara farc fard farm farr fart fata fatc fatf fatt fcar fcat fcca fccf fcda fcmr fcra fdca fdtc ffar ffcc ffff ffrr fftf fmca frac frad fram frat frcc frfc frta ft-c ftam ftcd ftfc maaa maac maad maaf maam maar maat mac- maca macc macd macr mact mada madc madd madt mafa mafc maff mama mamc mamf mar- mara marc mard marf marm marr mart mata matc matr matt mcaa mcac mcad mcat mcca mccc mccd mcdc mcdd mcfa mcfc mcfd mcmc mcmt mcrc mcrd mctc mdac mdat mdca mdcc mddm mdma mdmc mdmf mdra mdrc mdta mfcc mffa mftf mmaa mmac mmar mmcc mmcd mmcm mmct mmda mmdc mmdf mmfd mmff mmmc mmmd mmmm mmrc mmrf mr-c mrac mrad mrca mrcc mrda mrdd mrfc mrmc mrmd mrrc mrta mrtm mrtt mtaa mtac mtcr mtfc mtff mtrc mtrr mttr raad raaf raam raat rac- raca racc ract rada radc radd radm radr radt rafa rafc raff raft rama ramm rara rarf rata ratf ratt rcac rcaf rccc rcdc rcfc rcrd rctc rdac rdcm rdfa rdma rfam rffc rftc rmaf rrad rrat rrfc rrmc rrrr rtca rtcc rtcm rtdt rtfc rtfm rtmc taa- taaf taar taat taca tacc tact tada tafa tafc taff taft tama tamc tamd tamm tara tarc tard tarf tarm tarr tart tata tatr tatt tcad tcam tcca tccc tcdd tcfc tctc tdac tdff tdma tdra tfam tfca tfdc tftc tmaa tmac tmca tmcc tmcm tmtt traa trac trad traf tram trat trca trcc trfc trfd trfm trfr trma trmd trra trtc trtr ttfa ttfc ttff ttma tttt