-ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aan aao aap aat ab- aba abb abc abh abi abn abo abp abt ac- aca acb acc ach aci acn aco acp act aha ahb ahc ahh ahi ahn aho ahp aht ai- aia aib aic aih aii ain aio aip ait an- ana anb anc anh ani ann ano anp ant aoa aob aoc aoh aoi aon aoo aop aot ap- apa apb apc aph api apn apo app apt at- ata atb atc ath ati atn ato atp att b-p baa bab bac bah bai ban bao bap bat bba bbb bbc bbh bbi bbn bbo bbp bbt bca bcb bcc bch bci bcn bco bcp bct bha bhb bhc bhh bhi bho bhp bht bi- bia bib bic bih bii bin bio bip bit bna bnb bnc bni bnn bno bnp bnt boa bob boc boh boi bon boo bop bot bpa bpb bpc bph bpi bpn bpo bpp bpt bta btb btc bth bti btn bto btp btt c-- caa cab cac cah cai can cao cap cat cba cbb cbc cbh cbi cbn cbo cbp cbt cca ccb ccc cch cci ccn cco ccp cct ch- cha chb chc chh chi chn cho chp cht ci- cia cib cic cih cii cin cio cip cit cn- cna cnb cnc cnh cni cnn cno cnp cnt co- coa cob coc coh coi con coo cop cot cpa cpb cpc cph cpi cpn cpo cpp cpt cta ctb ctc cth cti ctn cto ctp ctt h-i haa hab hac hah hai han hao hap hat hba hbb hbc hbh hbi hbn hbo hbp hbt hca hcb hcc hch hci hcn hco hcp hct hha hhb hhc hhh hhi hhn hho hhp hht hia hib hic hih hii hin hio hip hit hna hnb hnc hnh hnn hno hnt hoa hob hoc hoh hoi hon hoo hop hot hpa hpb hpc hph hpi hpn hpo hpp hpt hta htb htc hth hti htn hto htp htt ia- iaa iab iac iah iai ian iao iap iat iba ibb ibc ibh ibi ibn ibo ibp ibt ica icb icc ich ici icn ico icp ict iha ihb ihc ihh ihi ihn iho ihp iht iia iib iic iih iii iin iio iip iit in- ina inb inc inh ini inn ino inp int io- ioa iob ioc ioh ioi ion ioo iop iot ipa ipb ipc ipi ipn ipo ipp ipt ita itb itc ith iti itn ito itp itt n-i naa nab nac nah nai nan nao nap nat nba nbb nbc nbi nbn nbo nbp nbt nca ncb ncc nch nci ncn nco ncp nct nha nhb nhc nhh nhi nhn nhp nht nia nib nic nih nii nin nio nip nit nna nnb nnc nnh nni nnn nno nnp nnt no- noa nob noc noh noi non noo nop not npa npb npc nph npi npn npo npp npt nta ntb ntc nth nti ntn nto ntp ntt o-i oaa oab oac oah oai oan oao oap oat ob- oba obb obc obh obi obn obo obp obt oc- oca ocb occ och oci ocn oco ocp oct oha ohc ohh ohi ohn oho ohp oht oia oib oic oii oin oio oip oit on- ona onb onc onh oni onn ono onp ont oo- ooa oob ooc ooh ooi oon ooo oop oot op- opa opb opc oph opi opn opo opp opt ot- ota otb otc oth oti otn oto otp ott p-p paa pab pac pah pai pan pao pap pat pba pbb pbc pbi pbn pbo pbp pbt pca pcb pcc pch pci pcn pco pcp pct pha phb phc phi phn pho php pht pia pib pic pih pii pin pio pip pit pn- pna pnb pnc pnh pni pnn pno pnp pnt poa pob poc poh poi pon poo pop pot ppa ppb ppc pph ppi ppn ppo ppp ppt pt- pta ptb ptc pth pti ptn pto ptp ptt taa tab tac tah tai tan tao tap tat tba tbb tbc tbh tbi tbn tbo tbp tbt tca tcb tcc tch tci tcn tco tcp tct th- tha thb thc thh thi thn tho thp tht tia tib tic tih tii tin tio tip tit tna tnb tnc tnh tni tnn tno tnp tnt to- toa tob toc toh toi ton too top tot tpa tpb tpc tph tpi tpn tpo tpp tpt tta ttb ttc tth tti ttn tto ttp ttt