-ic a-a a-b a-c a-i aaa aab aac aad aaf aai aan ab- aba abb abc abd abf abi abn ac- aca acb acc acd acf aci acn ad- ada adb adc add adf adi adn af- afa afb afc afd aff afi afn ai- aia aib aic aid aif aii ain an- ana anb anc and anf ani ann baa bab bac bad baf bai ban bba bbb bbc bbd bbf bbi bbn bca bcb bcc bcd bcf bci bcn bda bdb bdc bdd bdf bdi bfa bfb bfc bfd bff bfi bfn bi- bia bib bic bid bif bii bin bna bnb bnc bnd bnf bni bnn c-- caa cab cac cad caf cai can cba cbb cbc cbd cbf cbi cbn cca ccb ccc ccd ccf cci ccn cda cdb cdc cdd cdf cdi cdn cfa cfb cfc cfd cff cfi cfn ci- cia cib cic cid cif cii cin cn- cna cnb cnc cnd cnf cni cnn daa dab dac dad daf dai dan dba dbb dbc dbd dbf dbi dbn dca dcb dcc dcd dcf dci dcn dda ddb ddc ddd ddf ddi ddn dfa dfb dfc dfd dff dfi dfn di- dia dib dic did dif dii din dna dnb dnc dnd dnf dni dnn faa fab fac fad faf fai fan fba fbb fbc fbd fbf fbi fbn fca fcb fcc fcd fcf fci fcn fda fdb fdc fdd fdf fdi fdn ffa ffc ffd fff ffi ffn fia fib fic fid fif fii fin fna fnb fnc fnd fnf fni fnn i-d i-f ia- iaa iab iac iad iaf iai ian iba ibb ibc ibd ibf ibi ibn ica icb icc icd icf ici icn ida idb idc idd idf idi idn ifa ifb ifc ifd iff ifi ifn iia iib iic iid iif iii iin in- ina inb inc ind inf ini inn n-i naa nab nac nad naf nai nan nba nbb nbc nbd nbf nbi nbn nca ncb ncc ncd ncf nci ncn nda ndb ndc ndd ndf ndi ndn nfa nfb nfc nfd nff nfi nfn nia nib nic nid nif nii nin nna nnb nnc nnf nni nnn

-ana a-ii aaaa aaab aaac aaad aaaf aaai aaan aaba aabb aabc aabd aabi aaca aacb aacc aacd aacf aaci aacn aada aadc aadi aafa aafb aafc aafd aaff aafi aaib aaic aaii aain aana aand aani abaa abab abac abad abaf abai aban abb- abba abbb abbi abca abcb abcc abcd abcf abci abcn abda abdi abff abia abib abic abid abin acaa acab acac acad acai acan acba acca accc accd accf acci acda acdb acdc acdf acdi acfc acfd acfi aci- acia acic acid acif acin adaa adab adac adad adai adan adba adbc adbi adcc adci adda addc addd addi addn adfa adfc adia adib adic adif adin adna adni afaa afad afan afca afcb afcc afci afdb afdc affa affc affi afia afib afid afif afin aiai aian aiba aibn aica aicc aicd aicf aida aidb aidc aidi aifd aiff aiia aiib aiic aiid aiin aina ainc aind aini ana- anaa anab anac anad anai anan anba anbb anbi anca ancc and- anda andi anfa ania anib anic anif anin anna annb anni ba-i baaa baad baaf baan baba babb babi bac- baca bacc baci bacn bada badb badd badi bafc baff baia baib baic baid bain bana banc band bani bann bbad bbbb bbci bbdd bbfc bbfn bbin bcaa bcbc bcca bccc bcci bcda bcfc bcia bdbc bddc bdii bdin bdna bfca biad biaf bian biba bibb bibi bica bicc bici bida bidi bifa biff bifi biin bin- bina binc bind bini binn bnai bnib bnin c-cd caaa caab caac caaf caan caba cabf cabi cac- caca cacc caci cada cadc cadd cadi cafa cafb cafc caff caia caib caic caid cain cana canc cand cani cann cbac cbbc cbca cbcc cbcn cbdb cbdc cbdi cbdn cbfb cbfc cbia cbid cbna cbnd ccaa ccab ccac ccad ccaf ccai ccba ccbc ccbn ccca cccb cccc cccf ccci ccdc ccdf ccdi ccdn ccfa ccfc ccfd ccff ccfi ccic ccid ccii ccna ccnb ccnc ccnf ccni cdaa cdac cdad cdai cdba cdbf cdda cddb cdfa cdic cdii cdna cdnb cdnc cdnf cfaa cfab cfac cfbc cfbn cfca cfcb cfcf cfcn cfda cffb cfia cfnb cfni ciaa cian ciba cibc cibi cica cicc cici cida cidc cidi cifa ciff ciia ciid ciii cin- cina cinc cind cinf cini cnaa cnac cnbc cnci cnda cndd cnfa cnib cnic cnid cnna d-na daab daad daan daba dabb daca daci dada dadi dafa dafc daff dafi daia daid dain dana dand dani dann dbcc dbfc dcbc dcca dccb dccc dcci dcdb dcfc dcia dcii dddd dfaf dfcc dffa dia- diab diac diad diaf dian diba dibb dica dici dida didi dif- difa diff diii din- dina dinc dini dinn dnaa dnab dnac dnad dnai dnan dnic faaa faac faad faan faba fabd fabi faca facc fada fadd fadi fafa fafc faff fafi faid fain fana fanc fand fani fcab fcba fcca fccf fcda fcic fcii fdca fdic ffcc ffff ffii fiaa fiac fiad fiaf fian fiba fica ficc fida fidc fidf fifa fifc fiff fifi fiii fina find fini finn fnac fnci fndd fndn iaaa iaac iaai iaba iaca iacc iadb iadc iafc iaff iaia iain iana iand ibac ibad iban ibca ibfi ibia ibid icaa icab icac icad icaf icai ican icbc icbd icca iccb iccc iccf icci iccn icdc icdd icfb icnb icnc idad idca idda idfa idfc idia idic idid idin ifaa ifac ifan ifbb ifcd ifda ific ifid ifni iiac iica iicd iida iifa iiii inab inac inaf inai inan inba inbd inca incb incd inci ind- inda indc indi infa infi inia inid inna inni n-ii naaa naab naac naad naai naan naba nabc nabf nabi naca nacc nacd nacf naci nada nadc nadf nadi nafa nafc naff nafi naia naib naic naid naif nain nan- nana nanb nand nani nann nbaa nbad nbaf nbbc