-th a-a a-b a-c a-t aaa aab aac aad aah aao aat aau ab- aba abb abc abd abh abo abt abu ac- aca acb acc acd ach aco act acu ad- ada adb adc add adh ado adt adu aha ahb ahc ahd ahh aho aht ahu aoa aob aoc aod aoh aoo aot aou at- ata atb atc atd ath ato att atu au- aua aub auc aud auh auo aut b-u baa bab bac bad bah bao bat bau bba bbb bbc bbd bbh bbo bbt bbu bca bcb bcc bcd bch bco bct bcu bda bdb bdc bdd bdh bdo bdt bdu bha bhb bhc bhd bhh bho bht bhu boa bob boc bod boh boo bot bou bta btb btc btd bth bto btt btu bua bub buc bud buh buo but buu c-- caa cab cac cad cah cao cat cau cba cbb cbc cbd cbh cbo cbt cbu cca ccb ccc ccd cch cco cct ccu cda cdb cdc cdd cdh cdo cdt cdu ch- cha chb chc chd chh cho cht chu co- coa cob coc cod coh coo cot cou cta ctb ctc ctd cth cto ctt ctu cua cub cuc cud cuh cuo cut cuu daa dab dac dad dah dao dat dau dba dbb dbc dbd dbh dbo dbt dbu dca dcb dcc dcd dco dct dcu dda ddb ddc ddd ddh ddo ddt ddu dh- dha dhb dhc dhd dhh dho dht dhu doa dob doc dod doh doo dot dou dta dtb dtc dtd dth dto dtt dtu dua dub duc dud duh duo dut haa hab hac had hah hao hat hau hba hbb hbc hbd hbh hbo hbt hbu hca hcb hcc hcd hch hco hct hda hdb hdc hdd hdh hdo hdt hdu hha hhb hhc hhd hhh hho hht hhu hoa hob hoc hod hoh hoo hot hou hta htb htc htd hth hto htt hua hub huc hud huh huo hut huu oaa oab oac oad oah oao oat oau ob- oba obb obc obd obh obo obt obu oc- oca ocb occ ocd och oco oct ocu oda odb odc odd odh odo odt odu oha ohc ohd ohh oho oht ohu oo- ooa oob ooc ood ooh ooo oot ot- ota otb otc otd oth oto ott otu ou- oua ouc oud ouh ouo out taa tab tac tad tah tao tat tau tba tbb tbc tbd tbh tbo tbt tbu tca tcb tcc tcd tch tco tct tcu tda tdb tdc tdd tdh tdo tdt tdu th- tha thb thc thd thh tho tht thu to- toa tob toc tod toh too tot tou tta ttb ttc ttd tth tto ttt ttu tua tub tuc tud tuh tuo tut tuu ua- uaa uab uac uad uah uao uat uau uba ubb ubc ubh ubo ubt ubu uca ucb ucc ucd uch uco uct ucu uda udb udc udd udo udt udu uha uhb uhc uhd uhh uho uht uhu uoa uob uoc uod uoo uot uta utb utc utd uth uto utt utu uua uuc uut uuu

-hou a-do a-ha aaaa aaab aaac aaad aaah aaba aabb aabc aabd aabh aabt aaca aacb aacc aacd aach aaco aact aacu aada aadc aadt aadu aaha aaoo aata aatc aatt abaa abab abac abad abat abau abb- abba abbb abbo abbt abca abcb abcc abcd abch abct abda abdo abdu abha abho aboa abob abod aboh aboo abot abou abta abtu abua abud abut ac-t acaa acab acac acad acat acba acca accc accd acch acco acct accu acda acdb acdc acdt acha achh acho acht achu acoa acod acoh acot acou acta actc acth acto actt actu acu- acuo acut adaa adab adac adad adah adao adat adba adbc adcc adda addc addd addo addu adha adhd adho adhu adob adoc adod adoo adot adta adua adub ahab ahac ahad ahah ahat ahau ahha ahoa ahod ahot ahta ahto ahua aoah aoba aoca aodh aotc aotd aout at-t ataa atab atac atad atat atca atcc atch atco atdt atha atho atob atoc atod atot atta atto attu atua atub atuc auaa auca auch auct audc audh audo auht aut- auth auto baaa baad baah baat baba babb babo babu bac- baca bacc bach baco bact bada badb badd badh bado badu baha baho baht bahu baoh bata batc bath bato batt batu bau- baud bbad bbau bbbb bbch bbdd bbdo bcaa bcat bcbc bcca bccc bcda bchd bctc bcuc bdbc bddc bddh bhao bhat bhca bhcc bhot bhut bhuu boab boac boad boat boba bobb bobo bobu boca boch boco bocu boda bodb bodh bodo bodu boha bohd boho boht bohu boob booc bood booh boot bota botb botd both boto bott boua boud bouh bout btaa btcc btdt btob bttb buad buat buba bubb bubo bubu buca bucc buch buco bucu buda budb budd budo budu buha buho but- buta buto butt c-bo c-cd caaa caab caac caah caat caba cabo cabu cac- caca cacc cach caco cada cadc cadd cado cadu caha caht caod cat- cata catb catc catd cath cato catt catu cauc cauo caut cbac cbat cbbc cbca cbcc cbct cbcu cbdb cbdc cbdo cbha cbot cbta cbtc ccaa ccab ccac ccad ccat ccba ccbc ccca cccb cccc cccu ccdc ccdh ccha ccob ccoc ccod cctb cctc cctt ccuc ccut cdaa cdac cdad cdba cdda cddb cdot chaa chab chac chad chah chao chat chau chca chch chha choc chod choh choo chou chto chtt chua chub chud chut coad coat coba cobb cobh cobo cobu coca coch coco coct cocu coda codd coha coho coob cood cooh coot cota cotb cotc coth coto cott cotu coua coub coud cout ctab ctba ctca ctot ctta cuau cub- cuba cubb cuca cucc cuda cut- cuta cutc cuth cuto cutt d-bo daab daad daau daba dabb dabo dabt dabu daca dact dada dado dadu daha dahu daou data dato datt datu daub daud daut dbcc dbtt dcbc dcca