a-ha a-ii aaaa aaab aaac aaah aaai aaar aaba aabb aabc aabh aabi aabt aaca aacb aacc aach aaci aacr aact aaha aaib aaic aaii aara aarc aari aart aata aatc aatt abaa abab abac abai abar abat abb- abba abbb abbi abbr abbt abca abcb abcc abch abci abcr abct abha abhi abhr abia abib abic abir abit abra abrc abri abta ac-t acaa acab acac acai acar acat acba acca accc acch acci acct acha achh achi achr acht aci- acia acic acir acr- acra acrc acri acrr acta actc acth acti actt ahab ahac ahah ahai ahar ahat ahha ahir ahit ahra ahrc ahrr ahta ahti aiai aiba aica aicc aich aicr aiha aiia aiib aiic aiir aira airh airi airt aita aith aiti aitr aitt arab arac arah arai arar arat arba arbh arbi arc- arca arch arci arct arh- aria arib arii arit arr- arra arrc arrh arri arrr arrt arta artc arth arti artr at-t ataa atab atac atai atar atat atca atcc atch atcr atha athi atia atic atit atra atrc atri atta atti attr ba-i baaa baah baar baat baba babb babi babr bac- baca bacc bach baci bact baha bahi bahr baht baia baib baic bair bait bar- bara barb barc barh bari barr bart bata batc bath bati batt bbbb bbch bbci bbrc bcaa bcar bcat bcbc bcca bccc bcci bcia bcit bcra bctc bhai bhar bhat bhca bhcc bhir bhit bhra bhrt biar biat biba bibb bibi bica bicc bich bici biha bihi bira birb biri birr birt bita bitc bith bitt brab brac brah brai brat brca brcb bria bric brih brit brrr brtc btaa btcc btrc btrt bttb caaa caab caac caah caat caba cabi cac- caca cacc cach caci cacr caha caht caia caib caic cair cait cara carb carc cari carr cart cat- cata catb catc cath cati catt cbac cbar cbat cbbc cbca cbcc cbcr cbct cbha cbia cbir cbit cbrh cbrt cbta cbtc ccaa ccab ccac ccai ccar ccat ccba ccbc ccca cccb cccc ccci ccha cchr ccic ccii ccir ccra ccrc ccri ccrt cctb cctc cctt chaa chab chac chah chai char chat chca chch chci chha chia chib chic chih chir chit chra chrb chrc chrr chrt chtr chtt ciaa ciar ciat ciba cibc cibi cica cicc cich cici cicr cict cihr ciht ciia ciii ciit cira cirb circ cirh ciri cirr cirt cita citb cith citi citt crab crac crai crar crat crbc crca crcc crcr cria crib cric crit crrt crtc ctab ctba ctbi ctca ctia ctic ctrc ctta h-ii haab haar haat haba habi habt haha haht hair hait hara harc harh hari harr hart hata hatb hath hati hatt hbar hbic hbit hcat hcbc hcca hccb hccc hcch hchi hhaa hhat hhhh hi-c hiaa hiab hiar hiba hibi hibt hicc hich hihc hihi hiht hiit hira hiri hirt hita hitc hiti hitt hrac hrib hrit hrrc hrta hrtb htab htcc htra httr iaaa iaac iaai iaat iaba iaca iacc iacr iact iahc iaia iara iarc iart iata iatc iati ibac ibar ibat ibca ibia ibra ibrc ibri ibtb ibtc icaa icab icac icai icar icat icbc icca iccb iccc icci iccr icct ichc ichi ichr icra icrc icrr icrt icta ihab ihba ihcc ihit ihra ihrc ihtc iiac iica iiht iiii iiit iira iirc iita iitr iitt irac irai irar irca ircc iri- iria iric irra irrc irri irta irti itaa itac itai itar itat itch itha ithc itia itic itra itri itta raab raat raba rabb rabi rac- raca racc rach raci ract raha rahi rahr raht raia raic raii rair rait rara rarb rari rata rath rati ratt rbbb rbbr rcac rcbc rccb rccc rchb rcic rctc rcti rhib riaa riab riah riai riat rib- riba rica ricc rich rict riha riht riia riri rita rith riti ritt rrah rrat rrrr rtai rtca rtcc taa- taar taat taba tabb tabc tabi taca tacc tach taci tact taha tahi tahr taia tair tait tara tarb tarc tari tarr tart tata tatb tath tati tatr tatt tbar tbca tbcb tbcc tbit tbrb tbta tcca tccc tch- tcha tchh tchi tchr tctc thaa thai thar that thca thch thi- thia thic thir thra thri thtb thtr tiaa tiab tiar tiba tibi tica ticc tich tiht tiit tira tirb tiri tirr tita titc tith titi titt traa trab trac trai trat trca trcc tri- tria trib tric trit trra trtc trtr ttab ttbb tttt