-th a-a a-b a-t aaa aab aah aao aat aau aav ab- aba abb abh abo abt abu abv aha ahb ahh aho aht ahu ahv aoa aob aoh aoo aot aou aov at- ata atb ath ato att atu atv au- aua aub auh auo aut auv av- ava avb avh avo avt avu b-u baa bab bah bao bat bau bav bba bbb bbh bbo bbt bbu bha bhb bhh bho bht bhu bhv boa bob boh boo bot bou bov bta btb bth bto btt btu btv bua bub buh buo but buu bva bvb bvh bvo bvt bvu bvv haa hab hah hao hat hau hav hba hbb hbh hbo hbt hbu hbv hha hhb hhh hho hht hhu hhv hoa hob hoh hoo hot hou hov hta htb hth hto htt htv hua hub huh huo hut huu huv hv- hva hvb hvo hvt hvv oaa oab oah oao oat oau oav ob- oba obb obh obo obt obu obv oha ohh oho oht ohu oo- ooa oob ooh ooo oot oov ot- ota otb oth oto ott otu otv ou- oua ouh ouo out ov- ova ovb ovh ovo ovv taa tab tah tao tat tau tav tba tbb tbh tbo tbt tbu tbv th- tha thb thh tho tht thu thv to- toa tob toh too tot tou tov tta ttb tth tto ttt ttu ttv tua tub tuh tuo tut tuu tuv tva tvb tvh tvo tvt tvu ua- uaa uab uah uao uat uau uav uba ubb ubh ubo ubt ubu ubv uha uhb uhh uho uht uhu uhv uoa uob uoo uot uta utb uth uto utt utu utv uua uut uuu uva uvb uvo uvu uvv v-a vaa vab vah vao vat vau vav vba vbh vbo vbv vh- vha vhb vho vht voa vob voh voo vot vou vov vta vtb vto vtt vtu vtv vut vuv vva vvb vvo vvt vvv