a-ha a-ii aaaa aaab aaac aaah aaai aaar aaas aaba aabb aabc aabh aabi aaca aacb aacc aach aaci aacr aacs aaha aahs aaib aaic aaii aais aara aarc aari aars aasa aasc aasi aass abaa abab abac abai abar abas abb- abba abbb abbi abbr abbs abca abcb abcc abch abci abcr abcs abha abhi abhr abhs abia abib abic abir abis abra abrc abri abrs abs- absa absi abss acaa acab acac acai acar acas acba acca accc acch acci accs acha achh achi achr achs aci- acia acic acir acis acr- acra acrc acri acrr acrs acsa acsc acsi acss ahab ahac ahah ahai ahar ahas ahha ahhs ahir ahis ahra ahrc ahrr ahrs ahsa ahss aiai aias aiba aica aicc aich aicr aics aiha aihs aiia aiib aiic aiir aira airh airi airs aisa aisb aish aisi aisr arab arac arah arai arar aras arba arbh arbi arbs arc- arca arch arci arcs arh- arhs aria arib arii aris arr- arra arrc arrh arri arrr arrs ars- arsa arsc arsi asaa asab asac asah asai asar asas asba asc- asca ascb ascc asch asci ascr asha ashi ashs asia asic asii asir asis asra asrc asrs assa assc assh assi assr asss ba-i baaa baah baar baas baba babb babi babr babs bac- baca bacc bach baci bacs baha bahi bahr bahs baia baib baic bair bais bar- bara barb barc barh bari barr bars basa basc bash basi bass bbas bbbb bbbs bbch bbci bbhs bbrc bcaa bcar bcas bcbc bcbs bcca bccc bcci bccs bchs bcia bcis bcra bcrs bcsa bcsc bcss bhai bhar bhca bhcc bhhs bhir bhra biar bias biba bibb bibi bibs bica bicc bich bici bics biha bihi bihs biis bira birb biri birr birs bis- bisa bisc bish biss brab brac brah brai bras brca brcb brhs bria bric brih bris brrr brrs brsb brsr bsaa bsac bsas bsci bscs bshs bsic bsra bssc caaa caab caac caah caas caba cabi cabs cac- caca cacc cach caci cacr caha cahs caia caib caic cair cais cara carb carc cari carr cars casa casb casc cash casi casr cass cbac cbar cbbc cbbs cbca cbcc cbcr cbcs cbha cbhs cbia cbir cbrh cbsa cbsc cbsi ccaa ccab ccac ccai ccar ccas ccba ccbc ccca cccb cccc ccci cccs ccha cchr cchs ccic ccii ccir ccis ccra ccrc ccri ccrs ccsa ccsi ccss chaa chab chac chah chai char chas chca chch chci chcs chha chhs chia chib chic chih chir chis chra chrb chrc chrr chrs chsc chsh chsi chsr ciaa ciar cias ciba cibc cibi cica cicc cich cici cicr cics cihr cihs ciia ciii ciis cira cirb circ cirh ciri cirr cirs cis- cisa cisc cish cisr ciss crab crac crai crar cras crbc crca crcc crcr crhs cria crib cric cris crsa crss csaa csab csac csar csas cscb cscc csch csci cscr cscs cshs csia csib csir csis csra csrc csrs cssa cssr h-ii haab haar haas haba habi habs hacs haha hahs hair hais hara harc harh hari harr hars hasa hasc hash hasi hass hbar hbbs hbhs hbic hbrs hbss hcbc hcbs hcca hccb hccc hcch hccs hchi hchs hcis hcsa hcsc hcss hhaa hhhh hhhs hi-c hiaa hiab hiar hias hiba hibi hicc hich hics hihc hihi hiis hira hiri hirs hisb hish hiss hrac hras hrhs hrib hrrc hsac hsas hsbc hscc hsci hshs hsia iaaa iaac iaai iaas iaba iaca iacc iacr iacs iahc iahs iaia iais iara iarc iars iasa iasc iasi iasr ibac ibar ibas ibca ibcs ibia ibis ibra ibrc ibri ibsa ibss icaa icab icac icai icar icas icbc icbs icca iccb iccc icci iccr iccs ichc ichi ichr ichs icis icra icrc icrr icrs icsa icsb icsc icsh icsi icsr icss ihab ihba ihcc ihis ihra ihrc ihsa ihss iiac iias iica iiii iiis iira iirc iirs iisc iisi iisr irac irai irar iras irca ircc ircs irhs iri- iria iric iris irra irrc irri irrs irsa is-a isac isai isar isas isba isca iscc isch isci iscr iscs isha ishi ishr ishs isia isic isis isra isri issa issc issh issi issr isss raab raas raba rabb rabi rabs rac- raca racc rach raci racs raha rahi rahr rahs raia raic raii rair rais rara rarb rari rars rasa rasc rash rasi rass rbbb rbbr rbbs rbhs rbis rbss rcac rcas rcbc rccb rccc rccs rchb rchs rcic rcis rcsa rcsc rcsi rcss rhhs rhib riaa riab riah riai rias rib- riba ribs rica ricc rich rics riha rihs riia riis riri rirs risa risc rish risi riss rrah rras rrhs rrrr rsaa rsai rsbi rscc rsch rscs rshs rsis rssa s-ib s-ic s-ii sa-c saab saac saah saar saas saba sabb sabc sabi sabr sabs saca sacc saci sacr sacs saha sahi sahr sahs saia saic saih sair sais sara sarc sarh sari sarr sars sasa sasc sash sasi sass sbaa sbac sbai sbar sbas sbbs sbca sbcc sbcs sbhc sbhs sbia sbic sbsa sbsi scaa scab scac scai scar scas scba scbi sccc sccs sch- scha schh schi schr schs sci- scia scic scir scis scr- scra scrc scri scrs scsa scsc scsh scsi scsr shab shac shah shai shar shas shbs shca shcc shha shhh shhs shia shib shih shii shir shis shri shrs shsc siaa siab siac siah siai sias siba sibc sibi sibs sica sicc sich sici sics siha sihi sihr sihs sira sirc siri sirr sirs sisa sisc sish sisi siss sras srbc srcc srch srhs srib sris ssaa ssab ssac ssas ssbr ssca sscc ssci sscs sshs ssis ssra ssrc ssri ssrs sssa sssb sssc sssh sssi ssss