a-ha a-ii aaaa aaab aaac aaah aaai aaar aaba aabb aabc aabh aabi aaca aacb aacc aach aaci aacr aacu aaha aaib aaic aaii aara aarc aari aaru abaa abab abac abai abar abau abb- abba abbb abbi abbr abca abcb abcc abch abci abcr abha abhi abhr abia abib abic abir abiu abra abrc abri abua acaa acab acac acai acar acba acca accc acch acci accu acha achh achi achr achu aci- acia acic acir acr- acra acrc acri acrr acu- acur ahab ahac ahah ahai ahar ahau ahha ahir ahra ahrc ahrr ahua aiai aiba aica aicc aich aicr aiha aiia aiib aiic aiir aira airh airi aiui arab arac arah arai arar arau arba arbh arbi arc- arca arch arci arh- aria arib arii arr- arra arrc arrh arri arrr arru arua arub arui auaa auca auch auci aur- aura auri ba-i baaa baah baar baba babb babi babr babu bac- baca bacc bach baci baha bahi bahr bahu baia baib baic bair bar- bara barb barc barh bari barr baru bau- baur bbau bbbb bbch bbci bbrc bcaa bcar bcbc bcca bccc bcci bcia bcra bcru bcuc bhai bhar bhca bhcc bhir bhra bhur bhuu biar biba bibb bibi bica bicc bich bici biha bihi bihu bira birb biri birr biru brab brac brah brai brau brca brcb bria bric brih brrr bruc bruh buar buba bubb bubi bubu buca bucc buch buci bucu buha buhi buhr buic buir buiu bur- bura burb burh buri burr buru caaa caab caac caah caba cabi cabu cac- caca cacc cach caci cacr caha caia caib caic cair caiu cara carb carc cari carr cauc cbac cbar cbbc cbca cbcc cbcr cbcu cbha cbia cbir cbrh ccaa ccab ccac ccai ccar ccba ccbc ccca cccb cccc ccci cccu ccha cchr ccic ccii ccir ccra ccrc ccri ccuc chaa chab chac chah chai char chau chca chch chci chha chia chib chic chih chir chiu chra chrb chrc chrr chua chub chui chur ciaa ciar ciau ciba cibc cibi cica cicc cich cici cicr cicu cihr ciia ciii cira cirb circ cirh ciri cirr ciuc crab crac crai crar crau crbc crbu crca crcc crcr cria crib cric criu crub cuau cub- cuba cubb cubi cuca cucc cuci cui- cuir cura curb curi curr h-ii haab haar haba habi habu haha hair hara harc harh hari harr haru hau- hbar hbic hcbc hcca hccb hccc hcch hchi hhaa hhhh hi-c hiaa hiab hiar hiba hibi hibu hicc hich hihc hihi hiiu hira hiri hiru hrac hrib hrrc huac huah huba hubb hubi huch hucu huhi huhu huia huib huir hura huri hurr huru huub iaaa iaac iaai iaba iaca iacc iacr iacu iahc iaia iara iarc iaru ibac ibar ibca ibia ibra ibrc ibri icaa icab icac icai icar icbc icca iccb iccc icci iccr iccu ichc ichi ichr ichu icra icrc icrr icru icub ihab ihba ihcc ihra ihrc ihua ihub iiac iica iiii iira iirc iiuc irac irai irar irca ircc ircu iri- iria iric irra irrc irri iucc iuiu iura raab raba rabb rabi rabu rac- raca racc rach raci racu raha rahi rahr rahu raia raic raii rair raiu rara rarb rari raua raub rauc rbbb rbbr rcac rcbc rccb rccc rchb rcic rhau rhib riaa riab riah riai riau rib- riba ribu rica ricc rich riha riia riri rrah rrrr ruah ruba rubb rubi rubu ruca ruch ruci ruhh ruhi ruhr rura rurc ruri ruru uabc uaca uair uarc uaru uaua ubac ubar ubba ubbi ubic ubii ubir ubra ucai ucar ucbc ucca ucci ucha uchi ucrc ucua uhuh uica uira uirr urac urai urau urba urbi urca urch urci uria urib uric uriu urra urrh urri urur uuri uuuu