a-a a-b a-c a-t aaa aab aac aad aan aao aat aau ab- aba abb abc abd abn abo abt abu ac- aca acb acc acd acn aco act acu ad- ada adb adc add adn ado adt adu an- ana anb anc and ann ano ant anu aoa aob aoc aod aon aoo aot aou at- ata atb atc atd atn ato att atu au- aua aub auc aud aun auo aut b-u baa bab bac bad ban bao bat bau bba bbb bbc bbd bbn bbo bbt bbu bca bcb bcc bcd bcn bco bct bcu bda bdb bdc bdd bdo bdt bdu bna bnb bnc bnd bnn bno bnt bnu boa bob boc bod bon boo bot bou bta btb btc btd btn bto btt btu bua bub buc bud bun buo but buu c-- caa cab cac cad can cao cat cau cba cbb cbc cbd cbn cbo cbt cbu cca ccb ccc ccd ccn cco cct ccu cda cdb cdc cdd cdn cdo cdt cdu cn- cna cnb cnc cnd cnn cno cnt cnu co- coa cob coc cod con coo cot cou cta ctb ctc ctd ctn cto ctt ctu cua cub cuc cud cun cuo cut cuu daa dab dac dad dan dao dat dau dba dbb dbc dbd dbn dbo dbt dbu dca dcb dcc dcd dcn dco dct dcu dda ddb ddc ddd ddn ddo ddt ddu dna dnb dnc dnd dnn dno dnt doa dob doc dod don doo dot dou dta dtb dtc dtd dtn dto dtt dtu dua dub duc dud dun duo dut naa nab nac nad nan nao nat nau nba nbb nbc nbd nbn nbo nbt nbu nca ncb ncc ncd ncn nco nct ncu nda ndb ndc ndd ndn ndo ndt ndu nna nnb nnc nnn nno nnt nnu no- noa nob noc nod non noo not nou nta ntb ntc ntd ntn nto ntt ntu nua nub nuc nud nun nuo nut nuu oaa oab oac oad oan oao oat oau ob- oba obb obc obd obn obo obt obu oc- oca ocb occ ocd ocn oco oct ocu oda odb odc odd odn odo odt odu on- ona onb onc ond onn ono ont onu oo- ooa oob ooc ood oon ooo oot ot- ota otb otc otd otn oto ott otu ou- oua ouc oud oun ouo out taa tab tac tad tan tao tat tau tba tbb tbc tbd tbn tbo tbt tbu tca tcb tcc tcd tcn tco tct tcu tda tdb tdc tdd tdn tdo tdt tdu tna tnb tnc tnd tnn tno tnt to- toa tob toc tod ton too tot tou tta ttb ttc ttd ttn tto ttt ttu tua tub tuc tud tun tuo tut tuu ua- uaa uab uac uad uan uao uat uau uba ubb ubc ubn ubo ubt ubu uca ucb ucc ucd ucn uco uct ucu uda udb udc udd udn udo udt udu un- una unb unc und unn uno unt unu uoa uob uoc uod uon uoo uot uta utb utc utd utn uto utt utu uua uuc uun uut uuu

-ana a-do a-un aaaa aaab aaac aaad aaan aaba aabb aabc aabd aabt aaca aacb aacc aacd aacn aaco aact aacu aada aadc aadt aadu aana aand aaon aaoo aata aatc aatt abaa abab abac abad aban abat abau abb- abba abbb abbo abbt abca abcb abcc abcd abcn abct abda abdo abdu abnu aboa abob abod abon aboo abot abou abta abtu abua abud abun abut ac-t acaa acab acac acad acan acat acba acca accc accd acco acct accu acda acdb acdc acdt acoa acod acon acot acou acta actc acto actt actu acu- acuo acut adaa adab adac adad adan adao adat adba adbc adcc adda addc addd addn addo addu adna adob adoc adod adon adoo adot adta adua adub adun ana- anaa anab anac anad anan anao anat anau anba anbb anbo anbu anca ancc anco anct and- anda ando andt anna annb anno annt ano- anoa anod anon ant- anta anto antt antu anua anub anun anut aoba aoca aonb aono aont aotc aotd aoun aout at-t ataa atab atac atad atan atat atca atcc atco atdt atna atno atob atoc atod aton atot atta attn atto attu atua atub atuc atun auaa auca auct audc audo auna aunt aut- auto baaa baad baan baat baba babb babo babu bac- baca bacc bacn baco bact bada badb badd bado badu bana banc band bann bano bant banu baon bata batc batn bato batt batu bau- baud bbad bbau bbbb bbdd bbdo bcaa bcat bcbc bcca bccc bcda bcnu bctc bcuc bdbc bddc bdna bnoc bnta boab boac boad boan boat boba bobb bobo bobu boca boco bocu boda bodb bodo bodu bona bonc bond bonn bono bont bonu boob booc bood boon boot bota botb botd botn boto bott boua boud boun bout btaa btan btcc btdt btob bttb buad buat buba bubb bubo bubu buca bucc buco bucu buda budb budd budo budu buna bunb bund bunn buno bunt bunu buon but- buta buto butt c-bo c-cd caaa caab caac caan caat caba cabo cabu cac- caca cacc caco cada cadc cadd cado cadu cana canc cand cann cano cant caod cat- cata catb catc catd cato catt catu cauc cauo caut cbac cbat cbbc cbca cbcc cbcn cbct cbcu cbdb cbdc cbdn cbdo cbna cbnd cbot cbta cbtc ccaa ccab ccac ccad ccat ccba ccbc ccbn ccca cccb cccc cccu ccdc ccdn ccna ccnb ccnc ccnu ccob ccoc ccod cctb cctc cctt ccuc ccut cdaa cdac cdad cdba cdda cddb cdna cdnb cdnc cdon cdot cnaa cnac cnbc cnco cnda cndd cnna cnta cntc cnut coad coan coat coba cobb cobo cobu coca coco coct cocu coda codd con- cona conc cond conn cono cont coob cood coon coot cota cotb cotc cotn coto cott cotu coua coub coud coun cout ctab ctan ctba ctca ctot ctta cttn cuan cuau