aaaa aaab aaac aaal aaar aaba aabb aabc aabl aabt aaca aacb aacc aacl aacr aact aacu aala aalc aall aalu aara aarc aart aaru aata aatc aatt abaa abab abac abag abal abar abat abau abb- abba abbb abbr abbt abca abcb abcc abcl abcr abct abgl abla abra abrc abta abtu abua abug abul abut ac-t acaa acab acac acag acar acat acba acbl acca accc acct accu acga acgr acla aclc aclr aclu acr- acra acrc acrr acta actc actg actl actt actu acu- acul acur acut agac agag agal agar agat agau agba agca agcc agct agga aggu agla aglc aglu agra agrl agta agtr agua agul agur agut alaa alac alag alal alar alat alau alb- alba albc albu alca alcc alg- alga all- alla alll allr allu alta alua alug alur alut arab arac arag aral arar arat arau arba arc- arca arct arga argb arla arr- arra arrc arrg arrr arrt arru arta artc artr arua arub arug arul arut at-l at-t ataa atab atac atal atar atat atca atcc atcl atcr atla atra atrc atru atta attr attu atua atub atuc atug atul atur auaa auca auct auga aul- aula aull ault aulu aur- aura aut- auug baaa baal baar baat baba babb babr babu bac- baca bacc bact baga bagg bagt bala balc ball balt balu bar- bara barb barc barg barr bart baru bata batc batt batu bau- baug baul baur bbau bbbb bbga bblb bbrc bbrg bcaa bcar bcat bcbc bcbg bcca bccc bccl bcra bcru bctc bcuc bgca blaa blab blac blag blat blau blbt blcu blrc blrg blub blur blut brab brac brag brat brau brca brcb brrr brtc bruc brug brut btaa btcc btcl btla btrc btrt bttb bual buar buat buba bubb bubu buca bucc bucu buga bugg bula bulb bulg bull bult bulu bur- bura burb burg burl burr burt buru but- buta butt caaa caab caac caal caat caba cabg cabu cac- caca cacc cacr caga cagg cagr cala calc call calt calu cara carb carc carl carr cart cat- cata catb catc catt catu cauc caul caut cbac cbal cbar cbat cbbc cbca cbcc cbcl cbcr cbct cbcu cbga cbgb cblb cblc cbrl cbrt cbta cbtc cbtl ccaa ccab ccac ccag ccar ccat ccba ccbc ccca cccb cccc cccl cccu ccga ccgc ccgt ccla cclc cclg ccra ccrc ccrg ccrl ccrt cctb cctc cctl cctt ccuc ccut cgac cgal cgcc cgcg cgtl cgtu clab clag clar clat clau clra cltb cltc club clut crab crac crag crar crat crau crbc crbu crca crcc crcr crrt crtc crtl crub crug crut ctab ctag ctal ctba ctca ctgu ctlg ctrc ctrl ctta cuau cub- cuba cubb cuca cucc cuga cula culb culc cull cult cura curb curl curr curt cut- cuta cutc cutt gaal gaar gaba gabb gabl gabr gabt gabu gaga gagg gagu gala gall galt galu gara garb garg garr gart gata gatc gatr gatt gaua gaub gaul gaur gaut gbag gc-c gcaa gcal gcat gcbc gccc gclc gcrg gctc ggbt ggcl gggg glaa glab glar glat glau glbc glcc glrb glub glug glur glut grab grac grat grau grbr grcc grrl grrr grtc grua grub grug grur grut gtaa gtbr gtcr gtta guaa guac guag guar guat guba gubb gubu guca guga gugb gugg gugu gula gulb gull gult gulu gura gurb gurg gurl gurr gurt guru guta gutt gutu laaa laac laag laal laar laat laba labr labu laca lacc lacl lact lacu lag- laga lagg lagu lala lall lalu lara larb larc larg larr lart laru lata latc latt latu laub laul laur laut lbar lbcc lbgt lblr lbrt lbug lcac lcat lcbc lcca lccc lcra lcrg lcrl lctl lgbt lgbu lgca llat llcc llgc lllc llll lrac lral lrat lrba lrgb lrrc lrrr lrta ltac ltbl ltcc ltcg ltra lttc lttr ltuc luau luba luca luga lugg lugu lula lull lulu lura lurg lurt luta luua raab raag raat raba rabb rabl rabu rac- raca racc ract racu raga ragg ragu rala ralb rall ralt rara rarb rata ratt ratu raua raub rauc raul raut rbbb rbbr rbcl rcac rcbc rccb rccc rcga rcgc rcrg rctc rctg rgba rgtr rlab rlcg rlua rlug rrat rrrr rtca rtcc rtcg rtlt ruag ruba rubb rubu ruca ruct ruga rugg rula rull rura rurc ruru ruta rutl rutt rutu taa- taag taal taar taat taba tabb tabc tabl tabu taca tacc tacl tact taga tagg tagu tala talc tall talu tara tarb tarc targ tarr tart taru tata tatb tatr tatt tatu taua taub tauc taul taur taut tbar tbca tbcb tbcc tbrb tbta tcca tccc tccu tcga tctc tcul tgcc tgtc tlac tlgc traa trab trac trag tral trat trau trca trcc trcl trra trtc trtr trub truc trug trut truu ttab ttbb tttt ttul tual tuar tuat tuba tubb tubr tubu tuca tucc tuga tugg tugu tula tull tulu tura turb turc turg turr turt turu tuta tutl tutt tutu uabc uaca uarc uart uaru uata uatu uaua ubac ubal ubar ubba ubla ubra ucal ucar ucat ucbc ucca ucla ucrc ucua ucut ugab ugal ugar ugcc ugcg uggt ugra ugta ugur uguu ulaa ular ulbc ulcc ulla ullr ulta ultt ulua ulul urac ural urat urau urba urca urga urgu urla urra urur urut utac utal utau uttu utug uulu uuta uuuu