a-a a-b a-i a-t aaa aab aaf aai aao aas aat aau ab- aba abb abf abi abo abs abt abu af- afa afb aff afi afo afs aft afu ai- aia aib aif aii aio ais ait aiu aoa aob aof aoi aoo aos aot aou as- asa asb asf asi aso ass ast asu at- ata atb atf ati ato ats att atu au- aua aub auf aui auo aus aut b-u baa bab baf bai bao bas bat bau bba bbb bbf bbi bbo bbs bbt bbu bfa bfb bff bfi bfo bfs bft bfu bi- bia bib bif bii bio bis bit biu boa bob bof boi boo bos bot bou bsa bsb bsf bsi bso bss bst bsu bta btb btf bti bto bts btt btu bua bub buf bui buo bus but buu faa fab faf fai fao fas fat fau fba fbb fbf fbi fbo fbs fbt fbu ffa fff ffi ffo ffs fft ffu fia fib fif fii fis fit fiu foa fob fof foi foo fos fot fou fsa fsb fsf fsi fso fss fst fsu fta ftb ftf fti fto fts ftt ftu fua fub fuf fui fuo fus fut fuu i-f ia- iaa iab iaf iai iao ias iat iau iba ibb ibf ibi ibo ibs ibt ibu ifa ifb iff ifi ifo ifs ift ifu iia iib iif iii iio iis iit iiu io- ioa iob iof ioi ioo ios iot iou is- isa isb isf isi iso iss ist isu ita itb itf iti ito its itt itu iu- iua iub iui ius iut o-i oaa oab oaf oai oao oas oat oau ob- oba obb obf obi obo obs obt obu of- ofa ofb off ofi ofo ofs oft ofu oia oib oif oii oio ois oit oiu oo- ooa oob oof ooi ooo oos oot os- osa osb osf osi oso oss ost osu ot- ota otb otf oti oto ots ott otu ou- oua ouf oui ouo ous out saa sab saf sai sao sas sat sau sba sbb sbf sbi sbo sbs sbt sbu sfa sfb sff sfi sfo sfs sft sfu sia sib sif sii sio sis sit siu soa sob sof soi soo sos sot sou ss- ssa ssb ssf ssi sso sss sst ssu sta stb stf sti sto sts stt stu sua sub suf sui suo sus sut suu taa tab taf tai tao tas tat tau tba tbb tbf tbi tbo tbs tbt tbu tfa tfb tff tfi tfo tfs tft tfu tia tib tif tii tio tis tit tiu to- toa tob tof toi too tos tot tou tsa tsb tsf tsi tso tss tst tsu tta ttb ttf tti tto tts ttt ttu tua tub tuf tui tuo tus tut tuu ua- uaa uab uaf uai uao uas uat uau uba ubb ubf ubi ubo ubs ubt ubu ufa uff ufi ufo ufs uft ufu uia uib uif uii uio uis uit uiu uoa uob uoo uos uot usa usb usf usi uso uss ust usu uta utb utf uti uto uts utt utu uua uus uut uuu

-ous a-fu a-ii aaaa aaab aaaf aaai aaas aaba aabb aabi aabt aafa aafb aaff aafi aaib aaii aais aaoo aasa aasf aasi aass aast aasu aata aatf aatt aaus abaa abab abaf abai abas abat abau abb- abba abbb abbi abbo abbs abbt abff abia abib abis abit abiu aboa abob abof aboo abos abot abou abs- absa absf absi abss absu abta abts abtu abua abuf abus abut afaa afao afat afbs affa affi affo affs afft afia afib afif afis afit afoa afoo afsa afsb afst afta afts afua afus aiai aias aiba aibo aiff aifs aiia aiib aioi aisa aisb aisi aiso aist aita aitf aiti aits aitt aitu aiui aoba aoss aotf aouf aous aout asaa asab asaf asai asao asas asat asau asba asbo asbu asfa asfi asia asif asii asio asis asit asob asof asoi asos asot asou assa assi asso asss asst assu asta astb asti asto asts asub asui asus at-t ataa atab atai atas atat atbs atfb atfs atia atif atis atit atiu atob atof atoi atos atot atsb atsi atst atta atti atto atts attu atua atub atus auaa aufi aufs auis ausa aust ausu aut- auto auts ba-i baaa baaf baas baat baba babb babi babo babs babu baff bafo baft baia baib baio bais bait baos basa basf basi baso bass bast basu bata batf bati bato bats batt batu bau- bauf bbas bbau bbbb bbbs bfas bffs bfsi bfta bfts bftt biaf biao bias biat biba bibb bibi bibo bibs bifa biff bifi biis bio- bioi bios biot biou bis- bisa biso biss bist bisu bita bito bits bitt bitu boab boai boas boat boba bobb bobi bobo bobs bobu bofa boff bofs bofu boi- boii bois boit boiu boob boof boos boot bosa bosi boso boss bost bosu bota botb boti boto bots bott boua bouf bous bout bsaa bsas bsat bsfa bsff bsfs bsos bsts btaa btaf btob btss bttb btus buat buba bubb bubi bubo bubs bubu buff bufo buif buis buit buiu busa busi buss bust busu but- buta buti buto buts butt buus faaa faas faba fabi fabo fabs fabu fafa faff fafi fafo faio fais fait fasa fasi faso fass fast fata fatf fati fato fats fatt faut fbis fbus ffff ffii ffsa ffss fftf fiaa fiaf fias fiat fiba fibs fifa fiff fifi fifo fift fiii fios fisa fisi fiss fist fisu fita fiti fits fitt fiua foaf foba fobs fobt fofo foia fois foof foos foot fosa fosb fosi foso foss fost fota foti foto fots fott foua fous fout fsai fsas fsfi fsfo fsia fssa fssf fsta ftii ftos ftsa ftub fuat fubb fubs fubu fuff fufu fuit fusa fusi fuso fuss fust fusu futa futi futo futs futu iaaa iaai iaas iaat iaba iaff iaia iais iasa iasi iaso iata iati ibas ibat ibfi