-ic a-a a-b a-c a-i aaa aab aac aad aai aan aar ab- aba abb abc abd abi abn abr ac- aca acb acc acd aci acn acr ad- ada adb adc add adi adn adr ai- aia aib aic aid aii ain air an- ana anb anc and ani ann anr ar- ara arb arc ard ari arn arr baa bab bac bad bai ban bar bba bbb bbc bbd bbi bbn bbr bca bcb bcc bcd bci bcn bcr bda bdb bdc bdd bdi bdr bi- bia bib bic bid bii bin bir bna bnb bnc bnd bni bnn bnr bra brb brd bri brn brr c-- caa cab cac cad cai can car cba cbb cbc cbd cbi cbn cbr cca ccb ccc ccd cci ccn ccr cda cdb cdc cdd cdi cdn cdr ci- cia cib cic cid cii cin cir cn- cna cnb cnc cnd cni cnn cnr cra crb crc crd cri crn crr daa dab dac dad dai dan dar dba dbb dbc dbd dbi dbn dbr dca dcb dcc dcd dci dcn dcr dda ddb ddc ddd ddi ddn ddr di- dia dib dic did dii din dir dna dnb dnc dnd dni dnn dnr dra drb drc drd dri drn drr i-d ia- iaa iab iac iad iai ian iar iba ibb ibc ibd ibi ibn ibr ica icb icc icd ici icn icr ida idb idc idd idi idn idr iia iib iic iid iii iin iir in- ina inb inc ind ini inn inr ir- ira irb irc ird iri irn irr n-i naa nab nac nad nai nan nar nba nbb nbc nbd nbi nbn nbr nca ncb ncc ncd nci ncn ncr nda ndb ndc ndd ndi ndn ndr nia nib nic nid nii nin nir nna nnb nnc nni nnn nra nrb nrc nrd nri nrn nrr ra- raa rab rac rad rai ran rar rba rbb rbc rbd rbi rbn rbr rca rcb rcc rcd rci rcn rcr rda rdb rdc rdd rdi rdn rdr ria rib ric rid rii rin rir rna rnb rnc rnd rni rnn rnr rra rrb rrc rrd rri rrn rrr

-ana a-ii aaaa aaab aaac aaad aaai aaan aaar aaba aabb aabc aabd aabi aaca aacb aacc aacd aaci aacn aacr aada aadc aadi aaib aaic aaii aain aana aand aani aara aarc aard aari abaa abab abac abad abai aban abar abb- abba abbb abbi abbr abca abcb abcc abcd abci abcn abcr abda abdi abia abib abic abid abin abir abra abrc abri acaa acab acac acad acai acan acar acba acca accc accd acci acda acdb acdc acdi aci- acia acic acid acin acir acr- acra acrc acri acrr adaa adab adac adad adai adan adar adba adbc adbi adcc adci adda addc addd addi addn addr adia adib adic adin adir adna adni adra aiai aian aiba aibn aica aicc aicd aicr aida aidb aidc aidi aidr aiia aiib aiic aiid aiin aiir aina ainc aind aini aira aird airi ana- anaa anab anac anad anai anan anar anba anbb anbi anca ancc and- anda andi andr ania anib anic anin anir anna annb anni anrc anri arab arac arad arai aran arar arba arbi arc- arca arci arda ardc ardi aria arib arid arii arin arna arnd arni arr- arra arrc arri arrr ba-i baaa baad baan baar baba babb babi babr bac- baca bacc baci bacn bada badb badd badi badr baia baib baic baid bain bair bana banc band bani bann banr bar- bara barb barc bard bari barn barr bbad bbbb bbci bbdd bbin bbrc bcaa bcar bcbc bcca bccc bcci bcda bcia bcra bd-r bdbc bddc bdii bdin bdna biad bian biar biba bibb bibi bica bicc bici bida bidi bidr biin bin- bina binc bind bini binn bira birb bird biri birn birr bnai bnib bnin bnrr brab brac brad brai bran brca brcb brda bria bric brid brin brna brrr c-cd caaa caab caac caan caba cabi cac- caca cacc caci cacr cada cadc cadd cadi cadr caia caib caic caid cain cair cana canc cand cani cann cara carb carc card cari carn carr cbac cbar cbbc cbca cbcc cbcn cbcr cbdb cbdc cbdi cbdn cbia cbid cbir cbna cbnd cbrd cbrn ccaa ccab ccac ccad ccai ccar ccba ccbc ccbn ccca cccb cccc ccci ccdc ccdi ccdn ccdr ccic ccid ccii ccir ccna ccnb ccnc ccni ccnr ccra ccrc ccri cd-r cdaa cdac cdad cdai cdba cdda cddb cddr cdic cdii cdna cdnb cdnc ciaa cian ciar ciba cibc cibi cica cicc cici cicr cida cidc cidi cidr ciia ciid ciii cin- cina cinc cind cini cira cirb circ ciri cirr cnaa cnac cnbc cnci cnda cndd cnib cnic cnid cnna cnrc cnrr crab crac crai cran crar crbc crca crcc crcr crda crdc cria crib cric crin crna d-na daab daad daan daar daba dabb daca daci dada dadi daia daid dain dair dana dand dani dann danr dara darb darc dard dari darn darr dbar dbcc dbrn dcbc dcca dccb dccc dcci dcdb dcia dcii dcra dddd ddrc dia- diab diac diad dian diar diba dibb dica dici dida didi diii din- dina dinc dini dinn dira dird dirr dnaa dnab dnac dnad dnai dnan dnic dnrc draa drab drac drad drar drba drbc drca drda drib dric drin drna drra iaaa iaac iaai iaba iaca iacc iacr iadb iadc iaia iain iana iand iara iarc ibac ibad iban ibar ibca ibia ibid ibra ibrc ibrd ibri icaa icab icac icad icai ican icar icbc icbd icca iccb iccc icci iccn iccr icdc icdd icnb icnc icra icrc icrr idad idar idca idcr idda idia idic idid idin idir idra idrc iiac iica iicd iida iiii iira iirc inab inac inai inan inar inba inbd inca incb incd inci incr ind- inda indc indi inia inid inna inni innr inra inri irac irad irai iran irar irca ircc ircd irda irdc iri- iria iric