-ic -th a-a a-b a-c a-i a-t aaa aab aac aae aah aai aao aat ab- aba abb abc abe abh abi abo abt ac- aca acb acc ace ach aci aco act aea aeb aec aee aeh aei aeo aet aha ahb ahc ahe ahh ahi aho aht ai- aia aib aic aie aih aii aio ait aoa aob aoc aoe aoh aoi aoo aot at- ata atb atc ate ath ati ato att baa bab bac bae bah bai bao bat bba bbb bbc bbe bbh bbi bbo bbt bca bcb bcc bce bch bci bco bct be- bea beb bec bee beh bei beo bet bha bhb bhc bhe bhh bhi bho bht bi- bia bib bic bie bih bii bio bit boa bob boc boe boh boi boo bot bta btb btc bte bth bti bto btt c-- caa cab cac cae cah cai cao cat cba cbb cbc cbe cbh cbi cbo cbt cca ccb ccc cce cch cci cco cct ce- cea ceb cec cee ceh cei ceo cet ch- cha chb chc che chh chi cho cht ci- cia cib cic cie cih cii cio cit co- coa cob coc coe coh coi coo cot cta ctb ctc cte cth cti cto ctt eaa eab eac eae eah eai eao eat eba ebb ebc ebe ebh ebi ebo ebt ec- eca ecb ecc ece ech eci eco ect eea eeb eec eee eeo eet eha ehb ehc ehe ehh ehi eho eht eia eib eic eie eii eio eit eo- eoa eob eoc eoe eoh eoi eoo eot eta etb etc ete eth eti eto ett h-i haa hab hac hae hah hai hao hat hba hbb hbc hbe hbh hbi hbo hbt hca hcb hcc hce hch hci hco hct he- hea heb hec hee heh hei heo het hha hhb hhc hhe hhh hhi hho hht hia hib hic hie hih hii hio hit hoa hob hoc hoe hoh hoi hoo hot hta htb htc hte hth hti hto htt ia- iaa iab iac iae iah iai iao iat iba ibb ibc ibe ibh ibi ibo ibt ica icb icc ice ich ici ico ict ie- iea iec iee iei iet iha ihb ihc ihe ihh ihi iho iht iia iib iic iie iih iii iio iit io- ioa iob ioc ioe ioh ioi ioo iot ita itb itc ite ith iti ito itt o-i oaa oab oac oae oah oai oao oat ob- oba obb obc obe obh obi obo obt oc- oca ocb occ och oci oco oct oea oeb oec oee oeh oei oeo oet oha ohc ohe ohh ohi oho oht oia oib oic oie oii oio oit oo- ooa oob ooc ooh ooi ooo oot ot- ota otb otc ote oth oti oto ott taa tab tac tae tah tai tao tat tba tbb tbc tbe tbh tbi tbo tbt tca tcb tcc tce tch tci tco tct te- tea teb tec tee teh tei teo tet th- tha thb thc the thh thi tho tht tia tib tic tie tih tii tio tit to- toa tob toc toe toh toi too tot tta ttb ttc tte tth tti tto ttt