-vac a-ha a-ii a-iv aaaa aaab aaac aaah aaai aaav aaba aabb aabc aabh aabi aaca aacb aacc aach aaci aacv aaha aaib aaic aaii aava abaa abab abac abai abb- abba abbb abbi abca abcb abcc abch abci abha abhi abia abib abic abva acaa acab acac acai acba acca accc acch acci acha achh achi aci- acia acic acvv ahab ahac ahah ahai ahha ahva aiai aiba aica aicc aich aiha aiia aiib aiic aiva avab avcc avia avic aviv avva ba-i baaa baah baba babb babi bac- baca bacc bach baci baha bahi baia baib baic bava bavi bbbb bbch bbci bcaa bcbc bcca bccc bcci bcia bhai bhca bhcc biba bibb bibi bica bicc bich bici biha bihi bivi caaa caab caac caah caba cabi cac- caca cacc cach caci caha caia caib caic cava cavi cbac cbbc cbca cbcc cbha cbia cbva cbvb ccaa ccab ccac ccai ccba ccbc ccca cccb cccc ccci cccv ccha ccic ccii cciv ccvi chaa chab chac chah chai chav chca chch chci chha chia chib chic chih chiv ciaa ciba cibc cibi cica cicc cich cici ciia ciii civa civc civh cvac cvca cvcc cvii h-ii haab haba habi haha hava hbic hcbc hcca hccb hccc hcch hchi hhaa hhhh hi-c hi-v hiaa hiab hiba hibi hicc hich hihc hihi hvac hvcc iaaa iaac iaai iaba iaca iacc iahc iaia iava ibac ibca ibia icaa icab icac icai icbc icca iccb iccc icci ichc ichi ihab ihba ihcc ihvh iiac iica iiii ivah ivai ivbv ivic vaca vach vahi vaia vava vbcc vcbi vcci vhhh vic- vica vich vici vihi viii viva vivi vvvv