-th -up a-a a-b a-c a-t aaa aab aac aah aao aap aat aau ab- aba abb abc abh abo abp abt abu ac- aca acb acc ach aco acp act acu aha ahb ahc ahh aho ahp aht ahu aoa aob aoc aoh aoo aop aot aou ap- apa apb apc aph apo app apt apu at- ata atb atc ath ato atp att atu au- aua aub auc auh auo aup aut b-p b-u baa bab bac bah bao bap bat bau bba bbb bbc bbh bbo bbp bbt bbu bca bcb bcc bch bco bcp bct bcu bha bhb bhc bhh bho bhp bht bhu boa bob boc boh boo bop bot bou bpa bpb bpc bph bpo bpp bpt bpu bta btb btc bth bto btp btt btu bua bub buc buh buo bup but buu c-- caa cab cac cah cao cap cat cau cba cbb cbc cbh cbo cbp cbt cbu cca ccb ccc cch cco ccp cct ccu ch- cha chb chc chh cho chp cht chu co- coa cob coc coh coo cop cot cou cpa cpb cpc cph cpo cpp cpt cpu cta ctb ctc cth cto ctp ctt ctu cua cub cuc cuh cuo cup cut cuu haa hab hac hah hao hap hat hau hba hbb hbc hbh hbo hbp hbt hbu hca hcb hcc hch hco hcp hct hha hhb hhc hhh hho hhp hht hhu hoa hob hoc hoh hoo hop hot hou hpa hpb hpc hph hpo hpp hpt hpu hta htb htc hth hto htp htt hua hub huc huh huo hup hut huu oaa oab oac oah oao oap oat oau ob- oba obb obc obh obo obp obt obu oc- oca ocb occ och oco ocp oct ocu oha ohc ohh oho ohp oht ohu oo- ooa oob ooc ooh ooo oop oot op- opa opb opc oph opo opp opt ot- ota otb otc oth oto otp ott otu ou- oua ouc ouh ouo oup out p-p paa pab pac pah pao pap pat pau pba pbb pbc pbo pbp pbt pbu pca pcb pcc pch pco pcp pct pcu pha phb phc pho php pht phu poa pob poc poh poo pop pot pou ppa ppb ppc pph ppo ppp ppt ppu pt- pta ptb ptc pth pto ptp ptt ptu pua pub puc puh pup put puu taa tab tac tah tao tap tat tau tba tbb tbc tbh tbo tbp tbt tbu tca tcb tcc tch tco tcp tct tcu th- tha thb thc thh tho thp tht thu to- toa tob toc toh too top tot tou tpa tpb tpc tph tpo tpp tpt tpu tta ttb ttc tth tto ttp ttt ttu tua tub tuc tuh tuo tup tut tuu ua- uaa uab uac uah uao uap uat uau uba ubb ubc ubh ubo ubp ubt ubu uca ucb ucc uch uco ucp uct ucu uha uhb uhc uhh uho uhp uht uhu uoa uob uoc uoo uop uot up- upa upb upc uph upo upp upt upu uta utb utc uth uto utp utt utu uua uuc uut uuu