-th a-a a-b a-t aaa aab aad aag aah aao aar aat aau ab- aba abb abd abg abh abo abr abt abu ad- ada adb add adg adh ado adr adt adu ag- aga agb agd agg agh ago agr agt agu aha ahb ahd ahg ahh aho ahr aht ahu aoa aob aod aog aoh aoo aor aot aou ar- ara arb ard arg arh aro arr art aru at- ata atb atd atg ath ato atr att atu au- aua aub aud aug auh auo aur aut b-u baa bab bad bag bah bao bar bat bau bba bbb bbd bbg bbh bbo bbr bbt bbu bda bdb bdd bdg bdh bdo bdr bdt bdu bga bgb bgd bgg bgh bgo bgr bgt bgu bha bhb bhd bhg bhh bho bhr bht bhu boa bob bod bog boh boo bor bot bou bra brb brd brg brh bro brr brt bru bta btb btd btg bth bto btr btt btu bua bub bud bug buh buo bur but buu daa dab dad dag dah dao dar dat dau dba dbb dbd dbg dbh dbo dbr dbt dbu dda ddb ddd ddg ddh ddo ddr ddt ddu dga dgd dgg dgh dgr dgt dgu dh- dha dhb dhd dhh dho dhr dht dhu doa dob dod dog doh doo dor dot dou dra drb drd drg dro drr drt dru dta dtb dtd dtg dth dto dtr dtt dtu dua dub dud dug duh duo dur dut g-d gaa gab gad gag gah gao gar gat gau gba gbd gbg gbh gbo gbr gbt gbu gda gdb gdd gdh gdo gdr gdt gdu gga ggb ggd ggg ggh ggo ggr ggt ggu gha ghb ghd ghg ghh gho ghr ght goa gob god gog goh goo gor got gou gra grb grd grg grh gro grr grt gru gta gtb gtd gtg gth gto gtr gtt gtu gu- gua gub gud gug guo gur gut guu haa hab had hag hah hao har hat hau hba hbb hbd hbg hbh hbo hbr hbt hbu hda hdb hdd hdg hdh hdo hdr hdt hdu hga hgb hgg hgh hgo hgr hgt hgu hha hhb hhd hhg hhh hho hhr hht hhu hoa hob hod hog hoh hoo hor hot hou hr- hra hrb hrd hrg hrh hro hrr hrt hru hta htb htd htg hth hto htr htt hua hub hud hug huh huo hur hut huu oaa oab oad oag oah oao oar oat oau ob- oba obb obd obg obh obo obr obt obu oda odb odd odg odh odo odr odt odu oga ogd ogg ogh ogo ogt oha ohd ohg ohh oho ohr oht ohu oo- ooa oob ood oog ooh ooo oor oot or- ora orb ord org orh oro orr ort oru ot- ota otb otd otg oth oto otr ott otu ou- oua oud ouh ouo our out ra- raa rab rad rag rah rao rar rat rau rba rbb rbd rbg rbh rbo rbr rbt rbu rda rdb rdd rdg rdh rdo rdr rdt rdu rga rgb rgd rgg rgh rgo rgr rgt rh- rha rhb rhd rhg rhh rho rhr rht rhu roa rob rod rog roh roo ror rot rou rra rrb rrd rrg rrh rrr rrt rru rta rtb rtd rtg rto rtr rtt rtu rua rub rud rug ruh ruo rur rut ruu taa tab tad tag tah tao tar tat tau tba tbb tbd tbg tbh tbo tbr tbt tbu tda tdb tdd tdg tdh tdo tdr tdt tdu tga tgb tgg tgh tgo tgr tgt tgu th- tha thb thd thg thh tho thr tht thu to- toa tob tod tog toh too tor tot tou tra trb trd trg trh tro trr trt tru tta ttb ttd ttg tth tto ttr ttt ttu tua tub tud tug tuh tuo tur tut tuu ua- uaa uab uad uag uah uao uar uat uau uba ubb ubg ubh ubo ubr ubt ubu uda udb udd udg udo udr udt udu uga ugb ugg ugh ugo ugr ugt ugu uha uhb uhd uhh uho uhr uht uhu uoa uob uod uog uoo uor uot ur- ura urb urd urg uro urr urt uru uta utb utd uth uto utr utt utu uua uug uur uut uuu