a-do aaaa aaac aaad aaaf aaca aacc aacd aacf aaco aact aada aadc aadt aafa aafc aafd aaff aaoo aata aatc aatf aatt ac-t acaa acac acad acag acat acca accc accd accf acco acct acda acdc acdf acdt acfc acfd acft acga acoa acod acog acot acta actc actf actg acto actt adaa adac adad adag adao adat adcc adda addc addd addo adfa adfc adoc adod adog adoo adot adta afaa afad afao afat afca afcc afdc affa affc affo afft afgf afoa afog afoo afta aftc ag-o agac agad agag agao agat agca agcc agco agct agda agfa agga agod agog agoo agot agta aoca aotc aotd aotf at-t ataa atac atad atat atca atcc atcf atco atdt atfc atgo atoc atod atof atot atta atto c-cd caaa caac caaf caat cac- caca cacc caco cada cadc cadd cado cafa cafc caff caga cagg cago caod cat- cata catc catd catf cato catt ccaa ccac ccad ccaf ccag ccat ccca cccc cccf ccdc ccdf ccfa ccfc ccfd ccff ccga ccgc ccgt ccoc ccod cctc cctt cdaa cdac cdad cdda cdfa cdot cfaa cfac cfao cfca cfcf cfco cfda cfgo cfoa cfta cftc cgac cgcc cgcg cgfc coad coag coat coca coco coct coda codd cofc coff coft cogo cood coof coot cota cotc coto cott ctag ctca ctcf ctfc ctfo ctgf ctot ctta daad daag daca dact dada dado dafa dafc daff dafo daft daga dagg dago data dato datt dcca dccc dcct dcfc dcgo dctc dddd ddoc ddot dfaf dfcc dfco dfdt dffa dftg dgac dgca doat doca doco doct dod- doda dodd dodg dodo doff dog- doga dogg dogo dood doof doot dota dotd doto dott dtaa dtac dtcc dtfc dtot faaa faac faad faca facc fact fada fadd fado fafa fafc faff fafg fafo fagg fago fata fatc fatf fato fatt fcat fcca fccf fcda fcot fcto fdca fdoa fdoc fdot fdtc ffcc ffff fftf foad foaf foca foco foda fofo fogg fogo food foof foot fota foto fott ft-c ftcd ftfc ftgd gada gadd gado gafa gafc gaff gaft gaga gagg gago gata gatc gato gatt gc-c gcaa gcat gccc gccf gcda gcfc gcoa gctc gdca gfcf gffa gfoa ggfg gggg goad goaf goat goca goda godo goff goga gogo good goof goog goot gota gotd goto gott gtaa gtco gtfc gtfo gtta oafc oafo ocac ocad ocat occa occc occt ocfa ocga oct- octa octo odac odda oddd odoo odot off- offa offc offo ofgo ofta ogdc ogoa ogod ogog ooaa ooda ooff oooo otac otcd otfc oto- otof otog otoo otta otto taa- taaf taag taat taca tacc taco tact tada tadg tado tafa tafc taff tafo taft taga tagg tago taoa tata tato tatt tcad tcca tccc tcdd tcfc tcfg tcga tctc tdac tdff tfca tfdc tfot tftc tgcc tgfa tgtc toad toat toca toco toda todd todo todt tofa toff tofo toft toga togo togt tooa tood toof toot tota totc totd toto tott ttfa ttfc ttff tttt