-th a-a a-b a-i a-t aaa aab aad aaf aah aai aao aar aas aat ab- aba abb abd abf abh abi abo abr abs abt ad- ada adb add adf adh adi ado adr ads adt af- afa afb afd aff afh afi afo afr afs aft aha ahb ahd ahf ahh ahi aho ahr ahs aht ai- aia aib aid aif aih aii aio air ais ait aoa aob aod aof aoh aoi aoo aor aos aot ar- ara arb ard arf arh ari aro arr ars art as- asa asb asd asf ash asi aso asr ass ast at- ata atb atd atf ath ati ato atr ats att baa bab bad baf bah bai bao bar bas bat bba bbb bbd bbf bbh bbi bbo bbr bbs bbt bda bdb bdd bdf bdh bdi bdo bdr bds bdt bfa bfb bfd bff bfh bfi bfo bfr bfs bft bha bhb bhd bhf bhh bhi bho bhr bhs bht bi- bia bib bid bif bih bii bio bir bis bit boa bob bod bof boh boi boo bor bos bot bra brb brd brf brh bri bro brr brs brt bsa bsb bsd bsf bsh bsi bso bsr bss bst bta btb btd btf bth bti bto btr bts btt daa dab dad daf dah dai dao dar das dat dba dbb dbd dbf dbh dbi dbo dbr dbs dbt dda ddb ddd ddf ddh ddi ddo ddr dds ddt dfa dfb dfd dff dfh dfi dfo dfr dfs dft dh- dha dhb dhd dhf dhh dhi dho dhr dhs dht di- dia dib did dif dih dii dio dir dis dit doa dob dod dof doh doi doo dor dos dot dra drb drd dri dro drr drs drt dsa dsb dsd dsf dsh dsi dso dsr dss dst dta dtb dtd dtf dth dti dto dtr dts dtt faa fab fad faf fah fai fao far fas fat fba fbb fbd fbf fbh fbi fbo fbr fbs fbt fda fdb fdd fdf fdh fdi fdo fdr fds fdt ffa ffd fff ffh ffi ffo ffr ffs fft fha fhb fhf fhh fhi fho fhr fhs fia fib fid fif fih fii fir fis fit foa fob fof foh foi foo for fos fot fra frb frd frf frh fri fro frr frs frt fsa fsb fsd fsf fsh fsi fso fsr fss fst fta ftb ftd ftf fth fti fto ftr fts ftt h-i haa hab had haf hah hai hao har has hat hba hbb hbd hbf hbh hbi hbo hbr hbs hbt hda hdb hdd hdf hdh hdi hdo hdr hds hdt hfa hfb hfd hff hfh hfi hfo hfr hfs hft hha hhb hhd hhf hhh hhi hho hhr hhs hht hia hib hid hif hih hii hio hir his hit hoa hob hod hof hoh hoi hoo hor hos hot hr- hra hrb hrd hrf hrh hri hro hrr hrs hrt hsa hsb hsd hsf hsh hsi hsr hss hst hta htb htd htf hth hti hto htr hts htt i-d i-f ia- iaa iab iad iaf iah iai iao iar ias iat iba ibb ibd ibf ibh ibi ibo ibr ibs ibt ida idb idd idf idh idi ido idr ids idt ifa ifb ifd iff ifi ifo ifr ifs ift iha ihb ihd ihf ihh ihi iho ihr ihs iht iia iib iid iif iih iii iio iir iis iit io- ioa iob iod iof ioh ioi ioo ior ios iot ir- ira irb ird irf iri iro irr irs irt is- isa isb isd isf ish isi iso isr iss ist ita itb itd itf ith iti ito its itt o-i oaa oab oad oaf oah oai oao oar oas oat ob- oba obb obd obf obh obi obo obr obs obt oda odb odd odf odh odi odo odr ods odt of- ofa ofb ofd off ofi ofo ofr ofs oft oha ohd ohf ohh ohi oho ohr ohs oht oia oib oid oif oii oio oir ois oit oo- ooa oob ood oof ooh ooi ooo oor oos oot or- ora orb ord orf orh ori oro orr ors ort os- osa osb osd osf osh osi oso osr oss ost ot- ota otb otd otf oth oti oto otr ots ott ra- raa rab rad raf rah rai rao rar ras rat rba rbb rbd rbf rbh rbi rbo rbr rbs rbt rda rdb rdd rdf rdh rdi rdo rdr rds rdt rfa rfb rfd rff rfh rfi rfo rfr rfs rft rh- rha rhb rhd rhf rhh rhi rho rhr rhs rht ria rib rid rif rih rii rio rir ris rit roa rob rod rof roh roi roo ror ros rot rra rrb rrd rrf rrh rri rrr rrs rrt rsa rsb rsd rsf rsh rsi rso rsr rss rst rta rtb rtd rtf rti rto rtr rts rtt saa sab sad saf sah sai sao sar sas sat sba sbb sbd sbf sbh sbi sbo sbr sbs sbt sda sdb sdd sdf sdh sdi sdo sdr sds sdt sfa sfb sfd sff sfh sfi sfo sfr sfs sft sh- sha shb shd shf shh shi sho shr shs sht sia sib sid sif sih sii sio sir sis sit soa sob sod sof soh soi soo sor sos sot sr- sra srb srd srf srh sri sro srr srs srt ss- ssa ssb ssd ssf ssh ssi sso ssr sss sst sta stb std stf sth sti sto str sts stt taa tab tad taf tah tai tao tar tas tat tba tbb tbd tbf tbh tbi tbo tbr tbs tbt tda tdb tdd tdf tdh tdi tdo tdr tds tdt tfa tfb tfd tff tfh tfi tfo tfr tfs tft th- tha thb thd thf thh thi tho thr ths tht tia tib tid tif tih tii tio tir tis tit to- toa tob tod tof toh toi too tor tos tot tra trb trd trf trh tri tro trr trs