a-ii aaaa aaab aaac aaai aaar aaba aabb aabc aabi aabt aaca aacb aacc aaci aaco aacr aact aacu aaib aaic aaii aaoo aara aarc aari aaro aart aaru aata aatc aatt abaa abab abac abai abar abat abau abb- abba abbb abbi abbo abbr abbt abca abcb abcc abci abcr abct abia abib abic abir abit abiu aboa abob aboo abor abot abou abra abrc abri abro abta abtu abua abut ac-t acaa acab acac acai acar acat acba acca accc acci acco acct accu aci- acia acic acir acoa acor acot acou acr- acra acrc acri acro acrr acta actc acti acto actt actu acu- acuo acur acut aiai aiba aibo aica aicc aicr aiia aiib aiic aiir aioc aioi aira airi airo airt aita aiti aitr aitt aitu aiui aoba aoca aora aorb aort aotc aout arab arac arai arar arat arau arba arbi arc- arca arci arco arct aria arib arii ario arit aroa arob aroi aroo aror arr- arra arrc arri arro arrr arrt arru arta artc arti arto artr arua arub arui arut at-t ataa atab atac atai atar atat atca atcc atco atcr atia atic atit atiu atob atoc atoi ator atot atra atrc atri atro atru atta atti atto attr attu atua atub atuc atur auaa auca auci auct aur- aura auri auro aut- auto ba-i baaa baar baat baba babb babi babo babr babu bac- baca bacc baci baco bact baia baib baic baio bair bait bar- bara barb barc bari baro barr bart baru bata batc bati bato batt batu bau- baur bbau bbbb bbci bbrc bcaa bcar bcat bcbc bcca bccc bcci bcia bcit bcor bcra bcru bctc bcuc biao biar biat biba bibb bibi bibo bica bicc bici bico bio- bioc bioi biot biou bira birb biri biro birr birt biru bita bitc bito bitt bitu boab boac boai boar boat boba bobb bobi bobo bobu boca boco bocu boi- boii boit boiu boob booc boor boot bor- bora bori boro borr bort boru bota botb boti boto bott boua bour bout brab brac brai brao brat brau brca brcb bria bric brio brit broa brob broc broo bror brot brou brrr brtc bruc brut btaa btcc btob btor btrc btrt bttb buar buat buba bubb bubi bubo bubu buca bucc buci buco bucu buic buir buit buiu bur- bura burb buri buro burr burt buru but- buta buti buto butt c-bo caaa caab caac caat caba cabi cabo cabu cac- caca cacc caci caco cacr caia caib caic caio cair cait caiu caoi caor cara carb carc cari caro carr cart cat- cata catb catc cati cato catt catu cauc cauo caut cbac cbar cbat cbbc cbca cbcc cbcr cbct cbcu cbia cbir cbit cbot cbrt cbta cbtc ccaa ccab ccac ccai ccar ccat ccba ccbc ccca cccb cccc ccci cccu ccic ccii ccir ccob ccoc ccra ccrc ccri ccrt cctb cctc cctt ccuc ccut ciaa ciao ciar ciat ciau ciba cibc cibi cibo cica cicc cici cico cicr cict cicu ciia ciii ciit ciob cior cira cirb circ ciri ciro cirr cirt cita citb citi cito citt citu ciuc coai coat coba cobb cobi cobo cobu coca coco coct cocu coia coir coit coob coot cor- cora corb corc cori coro corr cort cota cotb cotc coti coto cott cotu coua coub cour cout crab crac crai crar crat crau crbc crbu crca crcc crcr cria crib cric crit criu crob croc croo cror crot crrt crtc crub crut ctab ctba ctbi ctca ctia ctic ctor ctot ctrc ctta cuau cub- cuba cubb cubi cuca cucc cuci cui- cuir cuit cura curb curi curo curr curt cut- cuta cutc cuto cutt iaaa iaac iaai iaat iaba iaca iacc iacr iact iacu iaia iara iarc iart iaru iata iatc iati ibac ibar ibat ibca ibia ibot ibra ibrc ibri ibro ibtb ibtc icaa icab icac icai icao icar icat icbc icca iccb iccc icci icco iccr icct iccu icoc icor icra icrc icrr icrt icru icta icub iiac iica iiii iiio iiit iioi iioo iira iirc iita iitr iitt iiuc ioba iobi ioci ioii ioio ioit iooi iooo iora iori iota ioto irac irai irao irar irca ircc ircu iri- iria iric irio irob iroc irra irrc irri irta irti itaa itac itai itar itat itia itic itoi itoo itor itou itra itri itta itto itur iucc iuiu iura oaau oaic oara obai obba obbo obia obit oboi obor obot obra obri obro ocab ocac ocat ocbc occa occc occi occt ocra ocro ocrr oct- octa octi octo ocur oiba oici oiii oira oirt oita oitc oiti ooaa ooba oobi oocr ooia oooo oora oort ootb orab orac orai orao orar orat orba orbb orbi orbo orbu orca orci orco ori- oria oric orio orit oro- oror orot orra orri orro orta ortc orto orub otac otar otic otit oto- otoo otor otra otro otta otti otto ottu otur ouac ouat oucc ouii ouir ouit our- oura ouro ourt out- outa outb outi outo ouu- raab raat raba rabb rabi rabo rabu rac- raca racc raci raco ract racu raia raic raii rair rait raiu raob raoc rara rarb rari raro rata rati rato ratt ratu raua raub rauc raut rbbb rbbr rcac rcbc rcbo rccb rccc rcic rctc rcti riaa riab riai riat riau rib- riba ribo ribu rica ricc rico rict riia riot riou riri rita riti rito ritt ritu roab roar roat rob- roba robb robi robo robt robu roca rocc roco roia roio roir roit roiu roob rooi roor root rora rorc rori roro rort roru rota rotc roti roto rotr rott roua roub rout rrat rrrr rtai rtca rtcc ruba rubb rubi rubu ruca ruci ruct ruit rura rurc ruri ruro ruru ruta ruti ruto rutt rutu taa- taar taat taba tabb tabc tabi tabo tabu taca tacc taci taco tact taia taio tair tait taoa taor taou tara tarb tarc tari taro tarr tart taru tata tatb tati tato tatr tatt