-ana aaaa aaac aaad aaan aaar aaca aacc aacd aacn aacr aact aada aadc aadt aana aand aang aara aarc aard aart aata aatc aatt ac-t acaa acac acad acag acan acar acat acca accc accd acct acda acdc acdt acga acgr acr- acra acrc acrr acta actc actg actt adaa adac adad adag adan adar adat adcc adda addc addd addn addr adna adra adta agac agad agag agan agar agat agca agcc agct agda agga agna agra agta agtr ana- anaa anac anad anag anan anar anat anca ancc anct and- anda andr andt ang- anga anna annt anrc ant- anta antr antt arac arad arag aran arar arat arc- arca arct arda ardc arga arna arnd arng arnt arr- arra arrc arrg arrr arrt arta artc artr at-t ataa atac atad atan atar atat atca atcc atcr atdt atna atra atrc atrn atta attn attr c-cd caaa caac caan caat cac- caca cacc cacr cada cadc cadd cadr caga cagg cagn cagr cana canc cand cang cann cant cara carc card carn carr cart cat- cata catc catd catt ccaa ccac ccad ccag ccar ccat ccca cccc ccdc ccdn ccdr ccga ccgc ccgt ccna ccnc ccnr ccra ccrc ccrg ccrt cctc cctt cd-r cdaa cdac cdad cdda cddr cdna cdnc cgac cgcc cgcg cnaa cnac cnag cnda cndd cnna cnrc cnrr cnrt cnta cntc cntr crac crag cran crar crat crca crcc crcr crda crdc crna crrt crtc ctag ctan ctca ctrc ctrn ctta cttn d-na daad daag daan daar daca dact dada daga dagg dagr dana dand dang dann danr dant dara darc dard darg darn darr dart data datr datt dcca dccc dcct dcra dctc dddd ddrc dgac dgca dnaa dnac dnad dnag dnan dnat dnrc dntt draa drac drad drag drar drat drca drda drna drra dtaa dtac dtcc dtna dtng gaar gada gadd gaga gagg gana ganc gand gang gann gant gara gard garg garn garr gart gata gatc gatr gatt gc-c gcaa gcat gccc gcda gcna gcrg gctc gdca gdna gdrc gdrt gggg ggrn gnaa gnac gnar gnat gncc gngc gnrc gnrr grac grad gran grat grcc grdc grrr grtc gtaa gtcr gtta naaa naac naad naag naan naar naat naca nacc nacd nada nadc nadr naga nagc nan- nana nand nang nann nant nara narc nard narg narn narr nart nata natc natt ncaa ncac ncar ncat ncca nccc nccn nccr ncct ncda ncdc ncdn ncdr ncga ncgr ncna ncnc ncnd ncra ncrc ncta nctc nctr ndaa ndcc ndga ndna ndnt ndrc ndtc ngac ngan ngdc ngtn nngn nnnn nntn nrca nrdc nrna nrrc nrrd nrta ntcc ntnd ntrc nttr raad raag raan raat rac- raca racc ract rada radc radd radr radt raga ragg rana ranc rand rang rann rant rara rata ratt rcac rccc rcdc rcga rcgc rcnr rcrd rcrg rctc rctg rdac rdna rgan rgtr rnag rndc rnnt rntd rrad rrat rrna rrrr rtan rtca rtcc rtcg rtdt rtnd taa- taag taan taar taat taca tacc tact tada tadg taga tagg tana tand tang tann tant tara tarc tard targ tarn tarr tart tata tatr tatt tcad tcca tccc tcdd tcga tcnn tctc tdac tdna tdra tgcc tgtc tnag tnca tncc tndd traa trac trad trag tran trat trca trcc trna trng trra trtc trtr ttcn tttt