-th a-a a-b a-i a-t aaa aab aag aah aai aao aar aas aat ab- aba abb abg abh abi abo abr abs abt ag- aga agb agg agh agi ago agr ags agt aha ahb ahg ahh ahi aho ahr ahs aht ai- aia aib aig aih aii aio air ais ait aoa aob aog aoh aoi aoo aor aos aot ar- ara arb arg arh ari aro arr ars art as- asa asb asg ash asi aso asr ass ast at- ata atb atg ath ati ato atr ats att baa bab bag bah bai bao bar bas bat bba bbb bbg bbh bbi bbo bbr bbs bbt bga bgb bgg bgh bgi bgo bgr bgs bgt bha bhb bhg bhh bhi bho bhr bhs bht bi- bia bib big bih bii bio bir bis bit boa bob bog boh boi boo bor bos bot bra brb brg brh bri bro brr brs brt bsa bsb bsg bsh bsi bso bsr bss bst bta btb btg bth bti bto btr bts btt gaa gab gag gah gai gao gar gas gat gba gbg gbh gbi gbo gbr gbs gbt gga ggb ggg ggh ggi ggo ggr ggs ggt gha ghb ghg ghh ghi gho ghr ghs ght gia gib gig gih gii gio gir gis git goa gob gog goh goi goo gor gos got gra grb grg grh gri gro grr grs grt gsa gsb gsg gsi gso gsr gss gst gta gtb gtg gth gti gto gtr gts gtt h-i haa hab hag hah hai hao har has hat hba hbb hbg hbh hbi hbo hbr hbs hbt hga hgb hgg hgh hgi hgo hgr hgs hgt hha hhb hhg hhh hhi hho hhr hhs hht hia hib hig hih hii hio hir his hit hoa hob hog hoh hoi hoo hor hos hot hr- hra hrb hrg hrh hri hro hrr hrs hrt hsa hsb hsg hsh hsi hsr hss hst hta htb htg hth hti hto htr hts htt ia- iaa iab iag iah iai iao iar ias iat iba ibb ibg ibh ibi ibo ibr ibs ibt iga igb igg igh igi igo igr igs igt iha ihb ihg ihh ihi iho ihr ihs iht iia iib iih iii iio iir iis iit io- ioa iob iog ioh ioi ioo ior ios iot ir- ira irb irg iri iro irr irs irt is- isa isb isg ish isi iso isr iss ist ita itb itg ith iti ito its itt o-i oaa oab oag oah oai oao oar oas oat ob- oba obb obg obh obi obo obr obs obt oga ogg ogh ogi ogo ogs ogt oha ohg ohh ohi oho ohr ohs oht oia oib oii oio oir ois oit oo- ooa oob oog ooh ooi ooo oor oos oot or- ora orb org orh ori oro orr ors ort os- osa osb osg osh osi oso osr oss ost ot- ota otb otg oth oti oto otr ots ott ra- raa rab rag rah rai rao rar ras rat rba rbb rbg rbh rbi rbo rbr rbs rbt rga rgb rgg rgh rgi rgo rgr rgs rgt rh- rha rhb rhg rhh rhi rho rhr rhs rht ria rib rig rih rii rio rir ris rit roa rob rog roh roi roo ror ros rot rra rrb rrg rrh rri rrr rrs rrt rsa rsb rsg rsh rsi rso rsr rss rst rta rtb rtg rti rto rtr rts rtt saa sab sag sah sai sao sar sas sat sba sbb sbg sbh sbi sbo sbr sbs sbt sga sgb sgg sgh sgi sgo sgr sgs sgt sh- sha shb shg shh shi sho shr shs sht sia sib sig sih sii sio sir sis sit soa sob sog soh soi soo sor sos sot sr- sra srb srg srh sri sro srr srs srt ss- ssa ssb ssg ssh ssi sso ssr sss sst sta stb stg sth sti sto str sts stt taa tab tag tah tai tao tar tas tat tba tbb tbg tbh tbi tbo tbr tbs tbt tga tgb tgg tgh tgi tgo tgr tgs tgt th- tha thb thg thh thi tho thr ths tht tia tib tig tih tii tio tir tis tit to- toa tob tog toh toi too tor tos tot tra trb trg trh tri tro trr trs trt tsa tsb tsg tsh tsi tso tsr tss tst tta ttb ttg tth tti tto ttr tts ttt