-vac a-do a-ii a-iv aaaa aaab aaac aaad aaai aaav aaba aabb aabc aabd aabi aaca aacb aacc aacd aaci aaco aacu aacv aada aadc aadi aadu aaib aaic aaii aaoo aava abaa abab abac abad abai abau abb- abba abbb abbi abbo abca abcb abcc abcd abci abda abdi abdo abdu abia abib abic abid abiu aboa abob abod aboo abou abov abua abud abva abvd acaa acab acac acad acai acba acca accc accd acci acco accu acda acdb acdc acdi aci- acia acic acid acoa acod acou acu- acuo acvv adaa adab adac adad adai adao adba adbc adbi adcc adci adda addc addd addi addo addu adia adib adic adio adob adoc adod adoo adua adub advb advi aiai aiba aibo aica aicc aicd aida aidb aidc aidi aidu aiia aiib aiic aiid aioc aioi aiud aiui aiva aivd aoba aoca auaa auca auci audc audi audo avab avao avcc avco avda avdi avia avic avid avio aviv avou avui avva avvo ba-i baaa baad baba babb babi babo babu bac- baca bacc baci baco bada badb badd badi bado badu baia baib baic baid baio bau- baud bava bavi bavu bbad bbau bbbb bbci bbdd bbdo bcaa bcbc bcca bccc bcci bcda bcia bcuc bcvo bdav bdbc bddc bdii biad biao biba bibb bibi bibo bica bicc bici bico bida bidi bido bidu bio- bioc bioi biou bivi boab boac boad boai boba bobb bobi bobo bobu boca boco bocu boda bodb bodi bodo bodu boi- boid boii boiu boob booc bood boua boud bova bovi bovo buad buba bubb bubi bubo bubu buca bucc buci buco bucu buda budb budd budi budo budu buic buid buiu buvd bvdu c-bo c-cd caaa caab caac caba cabi cabo cabu cac- caca cacc caci caco cada cadc cadd cadi cado cadu caia caib caic caid caio caiu caod caoi cauc cauo cava cavi cavo cavu cbac cbbc cbca cbcc cbcu cbdb cbdc cbdi cbdo cbia cbid cbva cbvb ccaa ccab ccac ccad ccai ccba ccbc ccca cccb cccc ccci cccu cccv ccdc ccdi ccic ccid ccii cciv ccob ccoc ccod ccuc ccvi ccvo cdaa cdac cdad cdai cdba cdda cddb cdic cdii cdio cdiv cdvd cdvi ciaa ciao ciau ciba cibc cibi cibo cica cicc cici cico cicu cida cidc cidi ciia ciid ciii ciob ciuc civa civc civo coad coai coba cobb cobi cobo cobu coca coco cocu coda codd codi coia coob cood coua coub coud cova covo cuau cub- cuba cubb cubi cuca cucc cuci cuda cudi cui- cvac cvca cvcc cvid cvii d-bo daab daad daau daba dabb dabo dabu daca daci dada dadi dado dadu daia daid daio daou daub daud dava davi dbcc dcbc dcca dccb dccc dcci dccu dccv dcdb dcia dcii dcio dciv dcvd dcvi dddd ddoc ddub dia- diab diac diad diao diba dibb dibo dica dici dico dida didi dido didu diii diiv dioc diou diva divd divi divo doab doba dobb dobi dobu doca doci doco docu dod- doda dodd dodi dodo doid doob dood doub douc doud dovi duaa duab duad dub- duba dubb dubc dubu duca duco duda dudd dudo dudu duid duo- duva dvda dvi- dvii dvoa iaaa iaac iaai iaba iaca iacc iacu iadb iadc iaia iava ibac ibad ibca ibdo ibia ibid icaa icab icac icad icai icao icbc icbd icca iccb iccc icci icco iccu icdc icdd icoc icod icub idad idca idda iddo idia idic idid idio idoc idub iduo idvd iiac iica iicd iida iiii iiio iioi iioo iiuc ioba iobi ioci iod- ioda iodd iodo ioii ioio iooi iooo iucc iucv iuiu ivai ivao ivbv ivda ivic ivod oaau oaic obad obai obba obbo obia obid oboi obvi ocab ocac ocad ocbc occa occc occi odac odai odbo odci odda oddd oddi odia odic odio odiu odoo odou odva oiav oiba oici oido oiii ooaa ooba oobi ooda oodi ooia ooid oooo ouac ouad oucc oudc ouii ouu- ovda ovi- ovid ovo- ovod ovoo uabc uaca uaoc uaua ubac ubba ubbi ubbo ubic ubid ubii uboc ubod ubud ucad ucai ucav ucbc ucca ucci ucdc ucdd ucio ucua udaa udad udau udbc udca uddi udic udid udoo uica uocc uovo uuoc uuuu uv-a uv-b uv-c uvaa uvac uvda uvic uvid uvvu vaad vaca vaco vada vadi vado vadu vaia vaid vaio vaud vava vbcc vcbi vcci vdcc vdio vdub viad viau vic- vica vici vico vida vidi vido viii viva vivi vivo voad voca voda vodo voia voic void voio vooc voud vuca vuco vuda vudi vudu vvob vvvv