-al -ol -th a-a a-b a-c a-t aaa aab aac aah aal aao aat aau ab- aba abb abc abh abl abo abt abu ac- aca acb acc ach acl aco act acu aha ahb ahc ahh ahl aho aht ahu al- ala alb alc alh all alo alt alu aoa aob aoc aoh aol aoo aot aou at- ata atb atc ath atl ato att atu au- aua aub auc auh aul auo aut b-u baa bab bac bah bal bao bat bau bba bbb bbc bbh bbl bbo bbt bbu bca bcb bcc bch bcl bco bct bcu bha bhb bhc bhh bhl bho bht bhu bla blb blc blh bll blo blt blu boa bob boc boh bol boo bot bou bta btb btc bth btl bto btt btu bua bub buc buh bul buo but buu c-- caa cab cac cah cal cao cat cau cba cbb cbc cbh cbl cbo cbt cbu cca ccb ccc cch ccl cco cct ccu ch- cha chb chc chh chl cho cht chu cl- cla clb clc clh cll clo clt clu co- coa cob coc coh col coo cot cou cta ctb ctc cth ctl cto ctt ctu cua cub cuc cuh cul cuo cut cuu haa hab hac hah hal hao hat hau hba hbb hbc hbh hbl hbo hbt hbu hca hcb hcc hch hcl hco hct hha hhb hhc hhh hhl hho hht hhu hla hlb hlc hlh hll hlo hlt hlu hoa hob hoc hoh hol hoo hot hou hta htb htc hth htl hto htt hua hub huc huh hul huo hut huu la- laa lab lac lah lal lao lat lau lba lbb lbc lbh lbl lbo lbt lbu lca lcb lcc lch lcl lco lct lcu lha lhb lhc lhh lho lht lhu lla llb llc lll llo llt llu loa lob loc loh lol loo lot lou lta ltb ltc lth ltl lto ltt ltu lua lub luc luh lul luo lut luu oaa oab oac oah oal oao oat oau ob- oba obb obc obh obl obo obt obu oc- oca ocb occ och ocl oco oct ocu oha ohc ohh ohl oho oht ohu ola olb olc oll olo olt olu oo- ooa oob ooc ooh ool ooo oot ot- ota otb otc oth otl oto ott otu ou- oua ouc ouh oul ouo out taa tab tac tah tal tao tat tau tba tbb tbc tbh tbl tbo tbt tbu tca tcb tcc tch tcl tco tct tcu th- tha thb thc thh thl tho tht thu tla tlc tlh tll tlo tlt tlu to- toa tob toc toh tol too tot tou tta ttb ttc tth ttl tto ttt ttu tua tub tuc tuh tul tuo tut tuu ua- uaa uab uac uah ual uao uat uau uba ubb ubc ubh ubl ubo ubt ubu uca ucb ucc uch ucl uco uct ucu uha uhb uhc uhh uhl uho uht uhu ula ulb ulc ull ulo ult ulu uoa uob uoc uol uoo uot uta utb utc uth utl uto utt utu uua uuc uut uuu