a-ha a-ii aaaa aaab aaac aaad aaah aaai aaar aaba aabb aabc aabd aabh aabi aaca aacb aacc aacd aach aaci aacr aada aadc aadi aaha aaib aaic aaii aara aarc aard aari abaa abab abac abad abai abar abb- abba abbb abbi abbr abca abcb abcc abcd abch abci abcr abda abdi abha abhi abhr abia abib abic abid abir abra abrc abri acaa acab acac acad acai acar acba acca accc accd acch acci acda acdb acdc acdi acha achh achi achr aci- acia acic acid acir acr- acra acrc acri acrr adaa adab adac adad adah adai adar adba adbc adbi adcc adci adda addc addd addi addr adha adhd adhi adia adib adic adir adra ahab ahac ahad ahah ahai ahar ahdi ahha ahir ahra ahrc ahrr aiai aiba aica aicc aicd aich aicr aida aidb aidc aidi aidr aiha aiia aiib aiic aiid aiir aira aird airh airi arab arac arad arah arai arar arba arbh arbi arc- arca arch arci arda ardc ardi arh- aria arib arid arii arr- arra arrc arrh arri arrr ba-i baaa baad baah baar baba babb babi babr bac- baca bacc bach baci bada badb badd badh badi badr baha bahi bahr baia baib baic baid bair bar- bara barb barc bard barh bari barr bbad bbbb bbch bbci bbdd bbrc bcaa bcar bcbc bcca bccc bcci bcda bchd bcia bcra bd-r bdbc bddc bddh bdii bhai bhar bhca bhcc bhir bhra biad biar biba bibb bibi bica bicc bich bici bida bidi bidr biha bihi bira birb bird biri birr brab brac brad brah brai brca brcb brda bria bric brid brih brrr c-cd caaa caab caac caah caba cabi cac- caca cacc cach caci cacr cada cadc cadd cadi cadr caha caia caib caic caid cair cara carb carc card cari carr cbac cbar cbbc cbca cbcc cbcr cbdb cbdc cbdi cbha cbia cbid cbir cbrd cbrh ccaa ccab ccac ccad ccai ccar ccba ccbc ccca cccb cccc ccci ccdc ccdh ccdi ccdr ccha cchr ccic ccid ccii ccir ccra ccrc ccri cd-r cdaa cdac cdad cdai cdba cdda cddb cddr cdic cdii chaa chab chac chad chah chai char chca chch chci chdi chha chia chib chic chid chih chir chra chrb chrc chrd chrr ciaa ciar ciba cibc cibi cica cicc cich cici cicr cida cidc cidi cidr cihr ciia ciid ciii cira cirb circ cirh ciri cirr crab crac crai crar crbc crca crcc crcr crda crdc cria crib cric daab daad daar daba dabb daca daci dada dadi daha dahi daia daid dair dara darb darc dard dari darr dbar dbcc dcbc dcca dccb dccc dcci dcdb dcia dcii dcra dddd ddrc dhaa dhad dhai dhar dia- diab diac diad diar diba dibb dica dich dici dida didi diii dira dird dirr draa drab drac drad drar drba drbc drca drda drib dric drih drra h-ii haab haad haar haba habi hada hadh hadi haha haid hair hara harc hard harh hari harr hbar hbcd hbic hcbc hcca hccb hccc hcch hcdr hchi hcrd hdca hdci hdda hdra hdri hhaa hhhh hi-c hiaa hiab hiar hiba hibi hicc hich hida hidi hihc hihi hira hird hiri hrac hrad hrdc hrib hrid hrrc iaaa iaac iaai iaba iaca iacc iacr iadb iadc iahc iaia iara iarc ibac ibad ibar ibca ibia ibid ibra ibrc ibrd ibri icaa icab icac icad icai icar icbc icbd icca iccb iccc icci iccr icdc icdd ichc ichd ichi ichr icra icrc icrr idad idah idar idca idcr idda idha idia idic idid idir idra idrc ihab ihad ihba ihcc ihdr ihra ihrc ihrd iiac iica iicd iida iiii iira iirc irac irad irai irar irca ircc ircd irda irdc iri- iria iric irid irra irrc irri raab raad raba rabb rabi rac- raca racc rach raci rada radc radd radh radr raha rahi rahr raia raic raid raii rair rara rarb rari rbbb rbbr rcac rcbc rccb rccc rcdc rchb rcic rcid rcrd rdac rhib riaa riab riad riah riai rib- riba rica ricc rich rida ridc ridd ridi riha riia riri rrad rrah rrrr