-th a-a a-b a-i a-t aaa aab aah aai aao aap aas aat aax ab- aba abb abh abi abo abp abs abt abx aha ahb ahh ahi aho ahp ahs aht ahx ai- aia aib aih aii aio aip ais ait aix aoa aob aoh aoi aoo aop aos aot aox ap- apa apb aph api apo app aps apt apx as- asa asb ash asi aso asp ass ast asx at- ata atb ath ati ato atp ats att atx ax- axa axh axi axo axp axs axt axx b-p baa bab bah bai bao bap bas bat bax bba bbb bbh bbi bbo bbp bbs bbt bbx bha bhb bhh bhi bho bhp bhs bht bhx bi- bia bib bih bii bio bip bis bit bix boa bob boh boi boo bop bos bot box bpa bpb bph bpi bpo bpp bps bpt bpx bsa bsb bsh bsi bso bsp bss bst bsx bta btb bth bti bto btp bts btt btx bxb bxi bxo bxx h-i haa hab hah hai hao hap has hat hax hba hbb hbh hbi hbo hbp hbs hbt hbx hha hhb hhh hhi hho hhp hhs hht hia hib hih hii hio hip his hit hix hoa hob hoh hoi hoo hop hos hot hox hpa hpb hph hpi hpo hpp hps hpt hsa hsb hsh hsi hsp hss hst hsx hta htb hth hti hto htp hts htt htx ia- iaa iab iah iai iao iap ias iat iba ibb ibh ibi ibo ibp ibs ibt ibx iha ihb ihh ihi iho ihp ihs iht iia iib iih iii iio iip iis iit iix io- ioa iob ioh ioi ioo iop ios iot ipa ipb ipi ipo ipp ips ipt ipx is- isa isb ish isi iso isp iss ist ita itb ith iti ito itp its itt itx ixi o-i oaa oab oah oai oao oap oas oat oax ob- oba obb obh obi obo obp obs obt obx oha ohh ohi oho ohp ohs oht oia oib oii oio oip ois oit oo- ooa oob ooh ooi ooo oop oos oot oox op- opa opb oph opi opo opp ops opt opx os- osa osb osh osi oso osp oss ost osx ot- ota otb oth oti oto otp ots ott ox- oxa oxb oxi oxo oxt oxx p-p paa pab pah pai pao pap pas pat pax pba pbb pbi pbo pbp pbs pbt pbx pha phb phi pho php phs pht phx pia pib pih pii pio pip pis pit pix poa pob poh poi poo pop pos pot pox ppa ppb pph ppi ppo ppp pps ppt ppx ps- psa psb psh psi pso psp pss pst psx pt- pta ptb pth pti pto ptp pts ptt ptx pxs pxt saa sab sah sai sao sap sas sat sax sba sbb sbh sbi sbo sbp sbs sbt sbx sh- sha shb shh shi sho shp shs sht sia sib sih sii sio sip sis sit six soa sob soh soi soo sop sos sot sox spa spb sph spi spo spp sps spt spx ss- ssa ssb ssh ssi sso ssp sss sst ssx sta stb sth sti sto stp sts stt stx sxi sxs sxt t-x taa tab tah tai tao tap tas tat tax tba tbb tbh tbi tbo tbp tbs tbt th- tha thb thh thi tho thp ths tht thx tia tib tih tii tio tip tis tit tix to- toa tob toh toi too top tos tot tox tpa tpb tph tpi tpo tpp tps tpt tpx tsa tsb tsh tsi tso tsp tss tst tsx tta ttb tth tti tto ttp tts ttt ttx txi txs txt xaa xap xas xat xbx xhp xht xia xii xio xis xit xix xoa xoi xoo xop xos xot xox xpa xpb xpo xpp xps xpt xsa xsb xsi xsp xss xst xti xtp xts xtx xxi xxo xxp xxx