-ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aao aap aat ab- aba abb abc abh abi abo abp abt ac- aca acb acc ach aci aco acp act aha ahb ahc ahh ahi aho ahp aht ai- aia aib aic aih aii aio aip ait aoa aob aoc aoh aoi aoo aop aot ap- apa apb apc aph api apo app apt at- ata atb atc ath ati ato atp att b-p baa bab bac bah bai bao bap bat bba bbb bbc bbh bbi bbo bbp bbt bca bcb bcc bch bci bco bcp bct bha bhb bhc bhh bhi bho bhp bht bi- bia bib bic bih bii bio bip bit boa bob boc boh boi boo bop bot bpa bpb bpc bph bpi bpo bpp bpt bta btb btc bth bti bto btp btt c-- caa cab cac cah cai cao cap cat cba cbb cbc cbh cbi cbo cbp cbt cca ccb ccc cch cci cco ccp cct ch- cha chb chc chh chi cho chp cht ci- cia cib cic cih cii cio cip cit co- coa cob coc coh coi coo cop cot cpa cpb cpc cph cpi cpo cpp cpt cta ctb ctc cth cti cto ctp ctt h-i haa hab hac hah hai hao hap hat hba hbb hbc hbh hbi hbo hbp hbt hca hcb hcc hch hci hco hcp hct hha hhb hhc hhh hhi hho hhp hht hia hib hic hih hii hio hip hit hoa hob hoc hoh hoi hoo hop hot hpa hpb hpc hph hpi hpo hpp hpt hta htb htc hth hti hto htp htt ia- iaa iab iac iah iai iao iap iat iba ibb ibc ibh ibi ibo ibp ibt ica icb icc ich ici ico icp ict iha ihb ihc ihh ihi iho ihp iht iia iib iic iih iii iio iip iit io- ioa iob ioc ioh ioi ioo iop iot ipa ipb ipc ipi ipo ipp ipt ita itb itc ith iti ito itp itt o-i oaa oab oac oah oai oao oap oat ob- oba obb obc obh obi obo obp obt oc- oca ocb occ och oci oco ocp oct oha ohc ohh ohi oho ohp oht oia oib oic oii oio oip oit oo- ooa oob ooc ooh ooi ooo oop oot op- opa opb opc oph opi opo opp opt ot- ota otb otc oth oti oto otp ott p-p paa pab pac pah pai pao pap pat pba pbb pbc pbi pbo pbp pbt pca pcb pcc pch pci pco pcp pct pha phb phc phi pho php pht pia pib pic pih pii pio pip pit poa pob poc poh poi poo pop pot ppa ppb ppc pph ppi ppo ppp ppt pt- pta ptb ptc pth pti pto ptp ptt taa tab tac tah tai tao tap tat tba tbb tbc tbh tbi tbo tbp tbt tca tcb tcc tch tci tco tcp tct th- tha thb thc thh thi tho thp tht tia tib tic tih tii tio tip tit to- toa tob toc toh toi too top tot tpa tpb tpc tph tpi tpo tpp tpt tta ttb ttc tth tti tto ttp ttt