-th a-a a-b a-c a-t aaa aab aac aad aah aak aar aat aau ab- aba abb abc abd abh abk abr abt abu ac- aca acb acc acd ach ack acr act acu ad- ada adb adc add adh adk adr adt adu aha ahb ahc ahd ahh ahk ahr aht ahu aka akb akc akd akh akk akr aku ar- ara arb arc ard arh ark arr art aru at- ata atb atc atd ath atr att atu au- aua aub auc aud auh auk aur aut b-u baa bab bac bad bah bak bar bat bau bba bbb bbc bbd bbh bbk bbr bbt bbu bca bcb bcc bcd bch bck bcr bct bcu bda bdb bdc bdd bdh bdk bdr bdt bdu bha bhb bhc bhd bhh bhk bhr bht bhu bka bkb bkc bkk bkr bkt bra brb brd brh brk brr brt bru bta btb btc btd bth btk btr btt btu bua bub buc bud buh buk bur but buu c-- caa cab cac cad cah cak car cat cau cba cbb cbc cbd cbh cbk cbr cbt cbu cca ccb ccc ccd cch cck ccr cct ccu cda cdb cdc cdd cdh cdk cdr cdt cdu ch- cha chb chc chd chh chk chr cht chu cka ckb ckc ckd ckh ckt cra crb crc crd crh crk crr crt cru cta ctb ctc ctd cth ctk ctr ctt ctu cua cub cuc cud cuh cuk cur cut cuu daa dab dac dad dah dak dar dat dau dba dbb dbc dbd dbh dbk dbr dbt dbu dca dcb dcc dcd dck dcr dct dcu dda ddb ddc ddd ddh ddk ddr ddt ddu dh- dha dhb dhc dhd dhh dhk dhr dht dhu dka dkb dkc dkk dkr dkt dku dra drb drc drd drk drr drt dru dta dtb dtc dtd dth dtk dtr dtt dtu dua dub duc dud duh duk dur dut haa hab hac had hah hak har hat hau hba hbb hbc hbd hbh hbk hbr hbt hbu hca hcb hcc hcd hch hck hcr hct hda hdb hdc hdd hdh hdk hdr hdt hdu hha hhb hhc hhd hhh hhk hhr hht hhu hka hkb hkd hkh hkk hkr hkt hku hr- hra hrb hrc hrd hrh hrk hrr hrt hru hta htb htc htd hth htk htr htt hua hub huc hud huh huk hur hut huu k-t ka- kaa kab kac kad kah kak kar kat kau kba kbb kbc kbd kbh kbk kbr kbu kca kcb kcc kcd kch kck kcr kct kcu kda kdb kdc kdh kdk kdr kdt kdu kha khh khk khr khu kkb kkc kkh kkk kkr kkt kku kra krc krd krk krr krt kru kta ktb ktc kth ktk ktr ktt ktu kub kuc kud kuh kuk kur kut kuu ra- raa rab rac rad rah rak rar rat rau rba rbb rbc rbd rbh rbk rbr rbt rbu rca rcb rcc rcd rch rcr rct rcu rda rdb rdc rdd rdh rdr rdt rdu rh- rha rhb rhc rhd rhh rhr rht rhu rkb rkc rkk rkt rku rra rrb rrc rrd rrh rrk rrr rrt rru rta rtb rtc rtd rtk rtr rtt rtu rua rub ruc rud ruh ruk rur rut ruu taa tab tac tad tah tak tar tat tau tba tbb tbc tbd tbh tbk tbr tbt tbu tca tcb tcc tcd tch tck tcr tct tcu tda tdb tdc tdd tdh tdk tdr tdt tdu th- tha thb thc thd thh thk thr tht thu tka tkb tkc tkk tkr tkt tra trb trc trd trh trk trr trt tru tta ttb ttc ttd tth ttk ttr ttt ttu tua tub tuc tud tuh tuk tur tut tuu ua- uaa uab uac uad uah uak uar uat uau uba ubb ubc ubh ubk ubr ubt ubu uca ucb ucc ucd uch uck ucr uct ucu uda udb udc udd udk udr udt udu uha uhb uhc uhd uhh uhr uht uhu uka ukb ukc ukk ukr uku ur- ura urb urc urd urk urr urt uru uta utb utc utd uth utk utr utt utu uua uuc 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 aaha aahk aaka aaku aara aarc aard aart aaru aata aatc aatk aatt abaa abab abac abad abak abar abat abau abb- abba abbb abbr abbt abca abcb abcc abcd abch abcr abct abda abdu abha abhr abra abrc abta abtu abua abud abuk abut ac-t acaa acab acac acad acar acat acba acca accc accd acch acct accu acda acdb acdc acdt acha achh achr acht achu ackd acr- acra acrc acrr acta actc acth actt actu acu- acur acut adaa adab adac adad adah adak adar adat adba adbc adcc adda addc addd addr addu adha adhd adhu adra adta adua adub aduk adur ahab ahac ahad ahah ahar ahat ahau ahha ahra ahrc ahrr ahta ahua akaa akah akar akca akha akka akku akr- akra akua arab arac arad arah arak arar arat arau arba arbh arc- arca arch arct arda ardc ardu arh- arka arkh arr- arra arrc arrh arrk arrr arrt arru arta artc arth artr arua arub arud arut at-t ataa atab atac atad atak atar atat atca atcc atch atck atcr atdt atha atka atkt atra atrc atrk atru atta attr attu atua atub atuc atuk atur auaa auca auch auct audc audh auht aur- aura aurd aut- auth baaa baad baah baak baar baat baba babb babr babu bac- baca bacc bach back bact bada badb badd badh badr badu baha bahr baht bahu bak- baka bakh bakr bakt baku bar- bara barb barc bard barh bark barr bart baru bata batc bath batt batu bau- baud bauk baur bbad bbau bbbb bbch bbdd bbrc bcaa bcar bcat bcbc bcca bccc bcda bchd bcra bcru