-th a-a a-b a-t aaa aab aaf aah aao aar aas aat aau ab- aba abb abf abh abo abr abs abt abu af- afa afb aff afh afo afr afs aft afu aha ahb ahf ahh aho ahr ahs aht ahu aoa aob aof aoh aoo aor aos aot aou ar- ara arb arf arh aro arr ars art aru as- asa asb asf ash aso asr ass ast asu at- ata atb atf ath ato atr ats att atu au- aua aub auf auh auo aur aus aut b-u baa bab baf bah bao bar bas bat bau bba bbb bbf bbh bbo bbr bbs bbt bbu bfa bfb bff bfh bfo bfr bfs bft bfu bha bhb bhf bhh bho bhr bhs bht bhu boa bob bof boh boo bor bos bot bou bra brb brf brh bro brr brs brt bru bsa bsb bsf bsh bso bsr bss bst bsu bta btb btf bth bto btr bts btt btu bua bub buf buh buo bur bus but buu faa fab faf fah fao far fas fat fau fba fbb fbf fbh fbo fbr fbs fbt fbu ffa fff ffh ffo ffr ffs fft ffu fha fhb fhf fhh fho fhr fhs foa fob fof foh foo for fos fot fou fra frb frf frh fro frr frs frt fru fsa fsb fsf fsh fso fsr fss fst fsu fta ftb ftf fth fto ftr fts ftt ftu fua fub fuf fuo fur fus fut fuu haa hab haf hah hao har has hat hau hba hbb hbf hbh hbo hbr hbs hbt hbu hfa hfb hff hfh hfo hfr hfs hft hfu hha hhb hhf hhh hho hhr hhs hht hhu hoa hob hof hoh hoo hor hos hot hou hr- hra hrb hrf hrh hro hrr hrs hrt hru hsa hsb hsf hsh hsr hss hst hsu hta htb htf hth hto htr hts htt hua hub huf huh huo hur hus hut huu oaa oab oaf oah oao oar oas oat oau ob- oba obb obf obh obo obr obs obt obu of- ofa ofb off ofo ofr ofs oft ofu oha ohf ohh oho ohr ohs oht ohu oo- ooa oob oof ooh ooo oor oos oot or- ora orb orf orh oro orr ors ort oru os- osa osb osf osh oso osr oss ost osu ot- ota otb otf oth oto otr ots ott otu ou- oua ouf ouh ouo our ous out ra- raa rab raf rah rao rar ras rat rau rba rbb rbf rbh rbo rbr rbs rbt rbu rfa rfb rff rfh rfo rfr rfs rft rfu rh- rha rhb rhf rhh rho rhr rhs rht rhu roa rob rof roh roo ror ros rot rou rra rrb rrf rrh rrr rrs rrt rru rsa rsb rsf rsh rso rsr rss rst rsu rta rtb rtf rto rtr rts rtt rtu rua rub ruf ruh ruo rur rus rut ruu saa sab saf sah sao sar sas sat sau sba sbb sbf sbh sbo sbr sbs sbt sbu sfa sfb sff sfh sfo sfr sfs sft sfu sh- sha shb shf shh sho shr shs sht shu soa sob sof soh soo sor sos sot sou sr- sra srb srf srh sro srr srs srt ss- ssa ssb ssf ssh sso ssr sss sst ssu sta stb stf sth sto str sts stt stu sua sub suf suh suo sur sus sut suu taa tab taf tah tao tar tas tat tau tba tbb tbf tbh tbo tbr tbs tbt tbu tfa tfb tff tfh tfo tfr tfs tft tfu th- tha thb thf thh tho thr ths tht thu to- toa tob tof toh too tor tos tot tou tra trb trf trh tro trr trs trt tru tsa tsb tsf tsh tso tsr tss tst tsu tta ttb ttf tth tto ttr tts ttt ttu tua tub tuf tuh tuo tur tus tut tuu ua- uaa uab uaf uah uao uar uas uat uau uba ubb ubf ubh ubo ubr ubs ubt ubu ufa uff ufh ufo ufr ufs uft ufu uha uhb uhf uhh uho uhr uhs uht uhu uoa uob uoo uor uos uot ur- ura urb urf uro urr urs urt uru usa usb usf ush uso usr uss ust usu uta utb utf uth uto utr uts utt utu uua uur uus uut uuu

-hou -ous a-fu a-ha aaaa aaab aaaf aaah aaar aaas aaba aabb aabh aabt aafa aafb aaff aaha aahs aaoo aara aaro aars aart aaru aasa aasf aass aast aasu aata aatf aatt aaus abaa abab abaf abar abas abat abau abb- abba abbb abbo abbr abbs abbt abff abha abho abhr abhs aboa abob abof aboh aboo abor abos abot abou abra abro abrs abs- absa absf abss absu abta abts abtu abua abuf abus abut afaa afao afar afat afbs affa affo affs afft afhs afoa afoo afor afr- afra afro afrs afru afsa afsb afst afta afts afua afus ahab ahah ahar ahas ahat ahau ahfa ahha ahhs ahoa ahor ahot ahra ahrr ahrs ahsa ahso ahss ahta ahto ahts ahua ahus aoah aoba aora aorb aors aort aoss aotf aouf aous aout arab araf arah arar aras arat arau arba arbh arbs arfa arfb arff arfs arft arfu arh- arhs aroa arob aroo aror aros arr- arra arrh arro arrr arrs arrt arru ars- arsa arso arst arsu arta arth arto artr arts arua arub arut asaa asab asaf asah asao asar asas asat asau asba asbo asbu asfa asha ashs asht ashu asob asof asor asos asot asou asra asro asrs asru assa assh asso assr asss asst assu asta astb asto astr asts asub asur asus at-t ataa atab atar atas atat atbs atfb atfs atha atho aths atob atof ator atos atot atra atro atru atsb atst atta atto attr atts attu atua atub atur atus auaa aufs auht aur- aura auro ausa aush aust ausu aut- auth auto auts