-th a-a a-b a-c a-t aaa aab aac aag aah aan aao aar aas aat aau ab- aba abb abc abg abh abn abo abr abs abt abu ac- aca acb acc acg ach acn aco acr acs act acu ag- aga agb agc agg agh agn ago agr ags agt agu aha ahb ahc ahg ahh ahn aho ahr ahs aht ahu an- ana anb anc ang anh ann ano anr ans ant anu aoa aob aoc aog aoh aon aoo aor aos aot aou ar- ara arb arc arg arh arn aro arr ars art aru as- asa asb asc asg ash asn aso asr ass ast asu at- ata atb atc atg ath atn ato atr ats att atu au- aua aub auc aug auh aun auo aur aus aut b-u baa bab bac bag bah ban bao bar bas bat bau bba bbb bbc bbg bbh bbn bbo bbr bbs bbt bbu bca bcb bcc bcg bch bcn bco bcr bcs bct bcu bga bgb bgc bgg bgh bgn bgo bgr bgs bgt bgu bha bhb bhc bhg bhh bho bhr bhs bht bhu bna bnb bnc bng bnn bno bnr bns bnt bnu boa bob boc bog boh bon boo bor bos bot bou bra brb brg brh brn bro brr brs brt bru bsa bsb bsc bsg bsh bsn bso bsr bss bst bsu bta btb btc btg bth btn bto btr bts btt btu bua bub buc bug buh bun buo bur bus but buu c-- caa cab cac cag cah can cao car cas cat cau cba cbb cbc cbg cbh cbn cbo cbr cbs cbt cbu cca ccb ccc ccg cch ccn cco ccr ccs cct ccu cga cgb cgc cgg cgh cgn cgo cgr cgs cgt cgu ch- cha chb chc chg chh chn cho chr chs cht chu cn- cna cnb cnc cng cnh cnn cno cnr cns cnt cnu co- coa cob coc cog coh con coo cor cos cot cou cra crb crc crg crh crn cro crr crs crt cru csa csb csc csg csh csn cso csr css cst csu cta ctb ctc ctg cth ctn cto ctr cts ctt ctu cua cub cuc cug cuh cun cuo cur cus cut cuu gaa gab gac gag gah gan gao gar gas gat gau gba gbc gbg gbh gbn gbo gbr gbs gbt gbu gca gcb gcc gcg gch gcn gco gcr gcs gct gcu gga ggb ggc ggg ggh ggn ggo ggr ggs ggt ggu gha ghb ghc ghg ghh ghn gho ghr ghs ght gna gnb gnc gnn gno gnr gns gnt gnu goa gob goc gog goh gon goo gor gos got gou gra grb grc grg grh grn gro grr grs grt gru gsa gsb gsc gsg gsn gso gsr gss gst gsu gta gtb gtc gtg gth gtn gto gtr gts gtt gtu gu- gua gub guc gug gun guo gur gus gut guu haa hab hac hag hah han hao har has hat hau hba hbb hbc hbg hbh hbn hbo hbr hbs hbt hbu hca hcb hcc hcg hch hcn hco hcr hcs hct hga hgb hgc hgg hgh hgn hgo hgr hgs hgt hgu hha hhb hhc hhg hhh hhn hho hhr hhs hht hhu hna hnb hnc hng hnh hnn hno hns hnt hnu hoa hob hoc hog hoh hon hoo hor hos hot hou hr- hra hrb hrc hrg hrh hrn hro hrr hrs hrt hru hsa hsb hsc hsg hsh hsn hsr hss hst hsu hta htb htc htg hth htn hto htr hts htt hua hub huc hug huh hun huo hur hus hut huu naa nab nac nag nah nan nao nar nas nat nau nba nbb nbc nbg nbn nbo nbr nbs nbt nbu nca ncb ncc ncg nch ncn nco ncr ncs nct ncu nga ngb ngc ngg ngh ngn ngo ngs ngt ngu nha nhb nhc nhg nhh nhn nhr nhs nht nhu nna nnb nnc nng nnh nnn nno nns nnt nnu no- noa nob noc nog noh non noo nor nos not nou nra nrb nrc nrg nrn nro nrr nrs nrt nru nsa nsb nsc nsg nsh nsn nso nsr nss nst nsu nta ntb ntc ntg nth ntn nto ntr nts ntt ntu nua nub nuc nug nuh nun nuo nur nus nut nuu oaa oab oac oag oah oan oao oar oas oat oau ob- oba obb obc obg obh obn obo obr obs obt obu oc- oca ocb occ ocg och ocn oco ocr ocs oct ocu oga ogc ogg ogh ogn ogo ogs ogt oha ohc ohg ohh ohn oho ohr ohs oht ohu on- ona onb onc ong onh onn ono onr ons ont onu oo- ooa oob ooc oog ooh oon ooo oor oos oot or- ora orb orc org orh orn oro orr ors ort oru os- osa osb osc osg osh osn oso osr oss ost osu ot- ota otb otc otg oth otn oto otr ots ott otu ou- oua ouc ouh oun ouo our ous out ra- raa rab rac rag rah ran rao rar ras rat rau rba rbb rbc rbg rbh rbn rbo rbr rbs rbt rbu rca rcb rcc rcg rch rcn rco rcr rcs rct rcu rga rgb rgc rgg rgh rgn rgo rgr rgs rgt rh- rha rhb rhc rhg rhh rhn rho rhr rhs rht rhu rna rnb rnc rng rnh rnn rno rnr rns rnt rnu roa rob roc rog roh ron roo ror ros rot rou rra rrb rrc rrg rrh rrn rrr rrs rrt rru rsa rsb rsc rsg rsh rsn rso rsr rss rst rsu rta rtb rtc rtg rtn rto rtr rts rtt rtu rua rub ruc rug ruh run ruo rur rus rut ruu saa sab sac sag sah san sao sar sas sat sau sba sbb sbc sbg sbh sbn sbo sbr sbs sbt sbu sca scb scc scg sch scn sco scr scs