-th a-a a-b a-c a-t aaa aab aac aad aag aah aak aar aat aau ab- aba abb abc abd abg abh abk abr abt abu ac- aca acb acc acd acg ach ack acr act acu ad- ada adb adc add adg adh adk adr adt adu ag- aga agb agc agd agg agh agk agr agt agu aha ahb ahc ahd ahg ahh ahk ahr aht ahu aka akb akc akd akg akh akk akr aku ar- ara arb arc ard arg arh ark arr art aru at- ata atb atc atd atg ath atr att atu au- aua aub auc aud aug auh auk aur aut b-u baa bab bac bad bag bah bak bar bat bau bba bbb bbc bbd bbg bbh bbk bbr bbt bbu bca bcb bcc bcd bcg bch bck bcr bct bcu bda bdb bdc bdd bdg bdh bdk bdr bdt bdu bga bgb bgc bgd bgg bgh bgk bgr bgt bgu bha bhb bhc bhd bhg bhh bhk bhr bht bhu bka bkb bkc bkg bkk bkr bkt bra brb brd brg brh brk brr brt bru bta btb btc btd btg bth btk btr btt btu bua bub buc bud bug buh buk bur but buu c-- caa cab cac cad cag cah cak car cat cau cba cbb cbc cbd cbg cbh cbk cbr cbt cbu cca ccb ccc ccd ccg cch cck ccr cct ccu cda cdb cdc cdd cdg cdh cdk cdr cdt cdu cga cgb cgc cgd cgg cgh cgr cgt cgu ch- cha chb chc chd chg chh chk chr cht chu cka ckb ckc ckd ckh ckt cra crb crc crd crg crh crk crr crt cru cta ctb ctc ctd ctg cth ctk ctr ctt ctu cua cub cuc cud cug cuh cuk cur cut cuu daa dab dac dad dag dah dak dar dat dau dba dbb dbc dbd dbg dbh dbk dbr dbt dbu dca dcb dcc dcd dcg dck dcr dct dcu dda ddb ddc ddd ddg ddh ddk ddr ddt ddu dga dgc dgd dgg dgh dgk dgr dgt dgu dh- dha dhb dhc dhd dhh dhk dhr dht dhu dka dkb dkc dkg dkk dkr dkt dku dra drb drc drd drg drk drr drt dru dta dtb dtc dtd dtg dth dtk dtr dtt dtu dua dub duc dud dug duh duk dur dut g-d gaa gab gac gad gag gah gak gar gat gau gba gbc gbd gbg gbh gbk gbr gbt gbu gca gcb gcc gcd gcg gch gck gcr gct gcu gda gdb gdc gdd gdh gdk gdr gdt gdu gga ggb ggc ggd ggg ggh ggr ggt ggu gha ghb ghc ghd ghg ghh ghr ght gka gkb gkd gkh gkt gra grb grc grd grg grh grk grr grt gru gta gtb gtc gtd gtg gth gtk gtr gtt gtu gu- gua gub guc gud gug guk gur gut guu haa hab hac had hag hah hak har hat hau hba hbb hbc hbd hbg hbh hbk hbr hbt hbu hca hcb hcc hcd hcg hch hck hcr hct hda hdb hdc hdd hdg hdh hdk hdr hdt hdu hga hgb hgc hgg hgh hgk hgr hgt hgu hha hhb hhc hhd hhg hhh hhk hhr hht hhu hka hkb hkd hkg hkh hkk hkr hkt hku hr- hra hrb hrc hrd hrg hrh hrk hrr hrt hru hta htb htc htd htg hth htk htr htt hua hub huc hud hug huh huk hur hut huu k-t ka- kaa kab kac kad kag kah kak kar kat kau kba kbb kbc kbd kbh kbk kbr kbu kca kcb kcc kcd kcg kch kck kcr kct kcu kda kdb kdc kdg kdh kdk kdr kdt kdu kga kgb kgc kgd kgh kgu kha khh khk khr khu kkb kkc kkh kkk kkr kkt kku kra krc krd krg krk krr krt kru kta ktb ktc ktg kth ktk ktr ktt ktu kub kuc kud kug kuh kuk kur kut kuu ra- raa rab rac rad rag rah rak rar rat rau rba rbb rbc rbd rbg rbh rbk rbr rbt rbu rca rcb rcc rcd rcg rch rcr rct rcu rda rdb rdc rdd rdg rdh rdr rdt rdu rga rgb rgc rgd rgg rgh rgk rgr rgt rh- rha rhb rhc rhd rhg rhh rhr rht rhu rkb rkc rkg rkk rkt rku rra rrb rrc rrd rrg rrh rrk rrr rrt rru rta rtb rtc rtd rtg rtk rtr rtt rtu rua rub ruc rud rug ruh ruk rur rut ruu taa tab tac tad tag tah tak tar tat tau tba tbb tbc tbd tbg tbh tbk tbr tbt tbu tca tcb tcc tcd tcg tch tck tcr tct tcu tda tdb tdc tdd tdg tdh tdk tdr tdt tdu tga tgb tgc tgg tgh tgk tgr tgt tgu th- tha thb thc thd thg thh thk thr tht thu tka tkb tkc tkg tkk tkr tkt tra trb trc trd trg trh trk trr trt tru tta ttb ttc ttd ttg tth ttk ttr ttt ttu tua tub tuc tud tug tuh tuk tur tut tuu ua- uaa uab uac uad uag uah uak uar uat uau uba ubb ubc ubg ubh ubk ubr ubt ubu uca ucb ucc ucd ucg uch uck ucr uct ucu uda udb udc udd udg udk udr udt udu uga ugb ugc ugg ugh ugk ugr ugt ugu uha uhb uhc uhd uhh uhr uht uhu uka ukb ukc ukk ukr uku ur- ura urb urc urd urg urk urr urt uru uta utb utc utd uth utk utr utt utu uua uuc uug uur uut uuu

a-ak a-ha aaaa aaab aaac aaad aaah aaar aaba aabb aabc aabd aabh aabt aaca aacb aacc aacd aach aack aacr aact aacu aada aadc aadt aadu aagh aaha aahk aaka aaku aara aarc aard aart aaru aata aatc aatk aatt abaa abab abac abad abag abak abar abat abau abb- abba abbb abbr abbt