aaaa aaab aaac aaal aaar aaba aabb aabc aabl aabt aaca aacb aacc aacl aaco aacr aact aacu aala aalc aall aalo aalu aaoo aara aarc aaro aart aaru aata aatc aatt abaa abab abac abal abar abat abau abb- abba abbb abbo abbr abbt abca abcb abcc abcl abcr abct abla ablo aboa abob abol aboo abor abot abou abra abrc abro abta abtu abua abul abut ac-t acaa acab acac acar acat acba acbl acca accc acco acct accu acla aclc aclr aclu acoa acol acor acot acou acr- acra acrc acro acrr acta actc actl acto actt actu acu- acul acuo acur acut alaa alac alal alao alar alat alau alb- alba albc albo albu alca alcc alco all- alla alll allo allr allu aloa aloc alol aloo alor alot alou alro alta alto alua alur alut aoba aoca aola aora aorb aort aotc aoul aout arab arac aral arar arat arau arba arc- arca arco arct arla arlo aroa arob aroo aror arr- arra arrc arro arrr arrt arru arta artc arto artr arua arub arul arut at-l at-t ataa atab atac atal atar atat atca atcc atcl atco atcr atla atlo atob atoc atol ator atot atra atrc atro atru atta atto attr attu atua atub atuc atul atur auaa auca auct aul- aula aull aulo ault aulu auol aur- aura auro aut- auto baaa baal baar baat baba babb babo babr babu bac- baca bacc baco bact bala balc ball balo balt balu baol bar- bara barb barc baro barr bart baru bata batc bato batt batu bau- baul baur bbau bbbb bblb bbrc bcaa bcar bcat bcbc bcca bccc bccl bcor bcra bcru bctc bcuc blaa blab blac blat blau blbt blcu blob bloc bloo blot blou blrc blub blur blut boab boac boal boar boat boba bobb bobo bobu boca boco bocu bola boll bolo bolt bolu boob booc bool boor boot bor- bora boro borr bort boru bota botb boto bott boua boul bour bout brab brac brao brat brau brca brcb broa brob broc brol broo bror brot brou brrr brtc bruc brut btaa btcc btcl btla btob btor btrc btrt bttb bual buar buat buba bubb bubo bubu buca bucc buco bucu bula bulb bull bult bulu buol bur- bura burb burl buro burr burt buru but- buta buto butt c-bo caaa caab caac caal caat caba cabo cabu cac- caca cacc caco cacr cala calc call calo calt calu caol caor cara carb carc carl caro carr cart cat- cata catb catc cato catt catu cauc caul cauo caut cbac cbal cbar cbat cbbc cbca cbcc cbcl cbcr cbct cbcu cblb cblc cbol cbot cbrl cbrt cbta cbtc cbtl ccaa ccab ccac ccar ccat ccba ccbc ccca cccb cccc cccl cccu ccla cclc ccob ccoc ccra ccrc ccrl ccrt cctb cctc cctl cctt ccuc ccut clab clar clat clau clob cloo clor clot clou clra clro cltb cltc club clut coal coat coba cobb cobo cobu coca coco coct cocu col- cola colb coll colo colt colu coob cool coot cor- cora corb corc corl coro corr cort cota cotb cotc coto cott cotu coua coub coul cour cout crab crac crar crat crau crbc crbu crca crcc crcr crob croc crol croo cror crot crrt crtc crtl crub crut ctab ctal ctba ctca ctol ctor ctot ctrc ctrl ctta cuau cub- cuba cubb cuca cucc cula culb culc cull culo cult cura curb curl curo curr curt cut- cuta cutc cuto cutt laaa laac laal laar laat laba labo labr labu laca lacc lacl laco lact lacu lala lall lalo lalu laou lara larb larc larr lart laru lata latc lato latt latu laub laul laur laut lbar lbcc lblr lbrt lcac lcat lcbc lcca lccc lcor lcra lcrl lctl lcto llao llat llcc lllc llll lloa lloc lloo loac loar loat lob- loba lobb lobo loca locc loco locu lola loll lolo loob looc lool loor loot lora loro lota lotl loto lotr lott loul lour lout louu lrac lral lrat lrba lroc lrrc lrrr lrta ltac ltbl ltcc ltra lttc lttr ltuc luau luba luca lula lull lulu lura lurt luta luua oaau oall oara obal obba obbo obla oblu obol obor obot obra obro ocab ocac ocal ocat ocbc occa occc occt oclc ocra ocrl ocro ocrr oct- octa octo ocul ocur olac olar olat olba olbo olca olcc olla ollo olor olot olta oltu olur ooaa ooba oocr oola oolo oooo oora oort ootb orab orac oral orao orar orat orba orbb orbo orbu orca orco orla orlo orlu oro- oror orot orra orro orta ortc orto orub otac otar otcl oto- otoo otor otra otro otta otto ottu otur ouac ouat oucc oula oulu our- oura ouro ourt out- outa outb outo ouu- raab raat raba rabb rabl rabo rabu rac- raca racc raco ract racu rala ralb rall ralo ralt raob raoc raol rara rarb raro rata rato ratt ratu raua raub rauc raul raut rbbb rbbr rbcl rcac rcbc rcbo rccb rccc rctc rlab rlua roab roar roat rob- roba robb robo robt robu roca rocc roco rola roll rolo rolt roob rool roor root rora rorc roro rort roru rota rotc rotl roto rotr rott roua roub roul rout rrat rrrr rtca rtcc rtlt ruba rubb rubu ruca ruct rula rull rulo rura rurc ruro ruru ruta rutl ruto rutt rutu taa- taal taar taat taba tabb tabc tabl tabo tabu taca tacc tacl taco tact tala talc tall talo talu taoa taor taou tara tarb tarc taro tarr tart taru tata tatb tato tatr tatt tatu taua taub tauc taul taur taut tbar tbca tbcb tbcc tbrb tbta tcca tccc tccu tctc tcul tlac tlco toab toal toat toau toba tobo tobt tobu toca toco tol- tola toll tolo tolt tolu tooa tool toor toot tora torc toro torr tort toru tota totc toto totr tott toul tour tout traa trab trac tral trao trat trau trca trcc