-th a-a a-b a-i a-t aaa aab aah aai aao aap aat aax ab- aba abb abh abi abo abp abt abx aha ahb ahh ahi aho ahp aht ahx ai- aia aib aih aii aio aip ait aix aoa aob aoh aoi aoo aop aot aox ap- apa apb aph api apo app apt apx at- ata atb ath ati ato atp att atx ax- axa axh axi axo axp axt axx b-p baa bab bah bai bao bap bat bax bba bbb bbh bbi bbo bbp bbt bbx bha bhb bhh bhi bho bhp bht bhx bi- bia bib bih bii bio bip bit bix boa bob boh boi boo bop bot box bpa bpb bph bpi bpo bpp bpt bpx bta btb bth bti bto btp btt btx bxb bxi bxo bxx h-i haa hab hah hai hao hap hat hax hba hbb hbh hbi hbo hbp hbt hbx hha hhb hhh hhi hho hhp hht hia hib hih hii hio hip hit hix hoa hob hoh hoi hoo hop hot hox hpa hpb hph hpi hpo hpp hpt hta htb hth hti hto htp htt htx ia- iaa iab iah iai iao iap iat iba ibb ibh ibi ibo ibp ibt ibx iha ihb ihh ihi iho ihp iht iia iib iih iii iio iip iit iix io- ioa iob ioh ioi ioo iop iot ipa ipb ipi ipo ipp ipt ipx ita itb ith iti ito itp itt itx ixi o-i oaa oab oah oai oao oap oat oax ob- oba obb obh obi obo obp obt obx oha ohh ohi oho ohp oht oia oib oii oio oip oit oo- ooa oob ooh ooi ooo oop oot oox op- opa opb oph opi opo opp opt opx ot- ota otb oth oti oto otp ott ox- oxa oxb oxi oxo oxt oxx p-p paa pab pah pai pao pap pat pax pba pbb pbi pbo pbp pbt pbx pha phb phi pho php pht phx pia pib pih pii pio pip pit pix poa pob poh poi poo pop pot pox ppa ppb pph ppi ppo ppp ppt ppx pt- pta ptb pth pti pto ptp ptt ptx pxt t-x taa tab tah tai tao tap tat tax tba tbb tbh tbi tbo tbp tbt th- tha thb thh thi tho thp tht thx tia tib tih tii tio tip tit tix to- toa tob toh toi too top tot tox tpa tpb tph tpi tpo tpp tpt tpx tta ttb tth tti tto ttp ttt ttx txi txt xaa xap xat xbx xhp xht xia xii xio xit xix xoa xoi xoo xop xot xox xpa xpb xpo xpp xpt xti xtp xtx xxi xxo xxp xxx