-th a-a a-b a-t aaa aab aad aah aan aao aar aas aat ab- aba abb abd abh abn abo abr abs abt ad- ada adb add adh adn ado adr ads adt aha ahb ahd ahh ahn aho ahr ahs aht an- ana anb and anh ann ano anr ans ant aoa aob aod aoh aon aoo aor aos aot ar- ara arb ard arh arn aro arr ars art as- asa asb asd ash asn aso asr ass ast at- ata atb atd ath atn ato atr ats att baa bab bad bah ban bao bar bas bat bba bbb bbd bbh bbn bbo bbr bbs bbt bda bdb bdd bdh bdo bdr bds bdt bha bhb bhd bhh bho bhr bhs bht bna bnb bnd bnn bno bnr bns bnt boa bob bod boh bon boo bor bos bot bra brb brd brh brn bro brr brs brt bsa bsb bsd bsh bsn bso bsr bss bst bta btb btd bth btn bto btr bts btt daa dab dad dah dan dao dar das dat dba dbb dbd dbh dbn dbo dbr dbs dbt dda ddb ddd ddh ddn ddo ddr dds ddt dh- dha dhb dhd dhh dho dhr dhs dht dna dnb dnd dnh dnn dno dnr dns dnt doa dob dod doh don doo dor dos dot dra drb drd drn dro drr drs drt dsa dsb dsd dsh dsn dso dsr dss dst dta dtb dtd dth dtn dto dtr dts dtt haa hab had hah han hao har has hat hba hbb hbd hbh hbn hbo hbr hbs hbt hda hdb hdd hdh hdn hdo hdr hds hdt hha hhb hhd hhh hhn hho hhr hhs hht hna hnb hnd hnh hnn hno hns hnt hoa hob hod hoh hon hoo hor hos hot hr- hra hrb hrd hrh hrn hro hrr hrs hrt hsa hsb hsd hsh hsn hsr hss hst hta htb htd hth htn hto htr hts htt naa nab nad nah nan nao nar nas nat nba nbb nbd nbn nbo nbr nbs nbt nda ndb ndd ndh ndn ndo ndr nds ndt nha nhb nhd nhh nhn nhr nhs nht nna nnb nnh nnn nno nns nnt no- noa nob nod noh non noo nor nos not nra nrb nrd nrn nro nrr nrs nrt nsa nsb nsd nsh nsn nso nsr nss nst nta ntb ntd nth ntn nto ntr nts ntt oaa oab oad oah oan oao oar oas oat ob- oba obb obd obh obn obo obr obs obt oda odb odd odh odn odo odr ods odt oha ohd ohh ohn oho ohr ohs oht on- ona onb ond onh onn ono onr ons ont oo- ooa oob ood ooh oon ooo oor oos oot or- ora orb ord orh orn oro orr ors ort os- osa osb osd osh osn oso osr oss ost ot- ota otb otd oth otn oto otr ots ott ra- raa rab rad rah ran rao rar ras rat rba rbb rbd rbh rbn rbo rbr rbs rbt rda rdb rdd rdh rdn rdo rdr rds rdt rh- rha rhb rhd rhh rhn rho rhr rhs rht rna rnb rnd rnh rnn rno rnr rns rnt roa rob rod roh ron roo ror ros rot rra rrb rrd rrh rrn rrr rrs rrt rsa rsb rsd rsh rsn rso rsr rss rst rta rtb rtd rtn rto rtr rts rtt saa sab sad sah san sao sar sas sat sba sbb sbd sbh sbn sbo sbr sbs sbt sda sdb sdd sdh sdn sdo sdr sds sdt sh- sha shb shd shh shn sho shr shs sht sna snb snd snn sno snr sns snt soa sob sod soh son soo sor sos sot sr- sra srb srd srh srn sro srr srs srt ss- ssa ssb ssd ssh ssn sso ssr sss sst sta stb std sth stn sto str sts stt taa tab tad tah tan tao tar tas tat tba tbb tbd tbh tbn tbo tbr tbs tbt tda tdb tdd tdh tdn tdo tdr tds tdt th- tha thb thd thh thn tho thr ths tht tna tnb tnd tnh tnn tno tnr tns tnt to- toa tob tod toh ton too tor tos tot tra trb trd trh trn tro trr trs trt tsa tsb tsd tsh tsn tso tsr tss tst tta ttb ttd tth ttn tto ttr tts ttt