-ic -th a-a a-b a-c a-i a-t aaa aab aac aad aae aah aai aao aat ab- aba abb abc abd abe abh abi abo abt ac- aca acb acc acd ace ach aci aco act ad- ada adb adc add ade adh adi ado adt aea aeb aec aed aee aeh aei aeo aet aha ahb ahc ahd ahe ahh ahi aho aht ai- aia aib aic aid aie aih aii aio ait aoa aob aoc aod aoe aoh aoi aoo aot at- ata atb atc atd ate ath ati ato att baa bab bac bad bae bah bai bao bat bba bbb bbc bbd bbe bbh bbi bbo bbt bca bcb bcc bcd bce bch bci bco bct bda bdb bdc bdd bde bdh bdi bdo bdt be- bea beb bec bed bee beh bei beo bet bha bhb bhc bhd bhe bhh bhi bho bht bi- bia bib bic bid bie bih bii bio bit boa bob boc bod boe boh boi boo bot bta btb btc btd bte bth bti bto btt c-- caa cab cac cad cae cah cai cao cat cba cbb cbc cbd cbe cbh cbi cbo cbt cca ccb ccc ccd cce cch cci cco cct cda cdb cdc cdd cde cdh cdi cdo cdt ce- cea ceb cec ced cee ceh cei ceo cet ch- cha chb chc chd che chh chi cho cht ci- cia cib cic cid cie cih cii cio cit co- coa cob coc cod coe coh coi coo cot cta ctb ctc ctd cte cth cti cto ctt daa dab dac dad dae dah dai dao dat dba dbb dbc dbd dbe dbh dbi dbo dbt dca dcb dcc dcd dce dci dco dct dda ddb ddc ddd dde ddh ddi ddo ddt de- dea deb dec ded dee deh dei deo det dh- dha dhb dhc dhd dhe dhh dhi dho dht di- dia dib dic did die dih dii dio dit doa dob doc dod doe doh doi doo dot dta dtb dtc dtd dte dth dti dto dtt eaa eab eac ead eae eah eai eao eat eba ebb ebc ebd ebe ebh ebi ebo ebt ec- eca ecb ecc ecd ece ech eci eco ect ed- eda edb edc edd ede edh edi edo edt eea eeb eec eed eee eeo eet eha ehb ehc ehd ehe ehh ehi eho eht eia eib eic eid eie eii eio eit eo- eoa eob eoc eod eoe eoh eoi eoo eot eta etb etc etd ete eth eti eto ett h-i haa hab hac had hae hah hai hao hat hba hbb hbc hbd hbe hbh hbi hbo hbt hca hcb hcc hcd hce hch hci hco hct hda hdb hdc hdd hde hdh hdi hdo hdt he- hea heb hec hed hee heh hei heo het hha hhb hhc hhd hhe hhh hhi hho hht hia hib hic hid hie hih hii hio hit hoa hob hoc hod hoe hoh hoi hoo hot hta htb htc htd hte hth hti hto htt i-d ia- iaa iab iac iad iae iah iai iao iat iba ibb ibc ibd ibe ibh ibi ibo ibt ica icb icc icd ice ich ici ico ict ida idb idc idd ide idh idi ido idt ie- iea iec ied iee iei iet iha ihb ihc ihd ihe ihh ihi iho iht iia iib iic iid iie iih iii iio iit io- ioa iob ioc iod ioe ioh ioi ioo iot ita itb itc itd ite ith iti ito itt o-i oaa oab oac oad oae oah oai oao oat ob- oba obb obc obd obe obh obi obo obt oc- oca ocb occ ocd och oci oco oct oda odb odc odd ode odh odi odo odt oea oeb oec oed oee oeh oei oeo oet oha ohc ohd ohe ohh ohi oho oht oia oib oic oid oie oii oio oit oo- ooa oob ooc ood ooh ooi ooo oot ot- ota otb otc otd ote oth oti oto ott taa tab tac tad tae tah tai tao tat tba tbb tbc tbd tbe tbh tbi tbo tbt tca tcb tcc tcd tce tch tci tco tct tda tdb tdc tdd tde tdh tdi tdo tdt te- tea teb tec ted tee teh tei teo tet th- tha thb thc thd the thh thi tho tht tia tib tic tid tie tih tii tio tit to- toa tob toc tod toe toh toi too tot tta ttb ttc ttd tte tth tti tto ttt