a-a a-b a-t aaa aab aaf aan aao aar aas aat aau ab- aba abb abf abn abo abr abs abt abu af- afa afb aff afn afo afr afs aft afu an- ana anb anf ann ano anr ans ant anu aoa aob aof aon aoo aor aos aot aou ar- ara arb arf arn aro arr ars art aru as- asa asb asf asn aso asr ass ast asu at- ata atb atf atn ato atr ats att atu au- aua aub auf aun auo aur aus aut b-u baa bab baf ban bao bar bas bat bau bba bbb bbf bbn bbo bbr bbs bbt bbu bfa bfb bff bfn bfo bfr bfs bft bfu bna bnb bnf bnn bno bnr bns bnt bnu boa bob bof bon boo bor bos bot bou bra brb brf brn bro brr brs brt bru bsa bsb bsf bsn bso bsr bss bst bsu bta btb btf btn bto btr bts btt btu bua bub buf bun buo bur bus but buu faa fab faf fan fao far fas fat fau fba fbb fbf fbn fbo fbr fbs fbt fbu ffa fff ffn ffo ffr ffs fft ffu fna fnb fnf fnn fnr fns fnt fnu foa fob fof fon foo for fos fot fou fra frb frf frn fro frr frs frt fru fsa fsb fsf fsn fso fsr fss fst fsu fta ftb ftf ftn fto ftr fts ftt ftu fua fub fuf fun fuo fur fus fut fuu naa nab naf nan nao nar nas nat nau nba nbb nbf nbn nbo nbr nbs nbt nbu nfa nfb nff nfn nfo nfr nfs nft nfu nna nnb nnf nnn nno nns nnt nnu no- noa nob nof non noo nor nos not nou nra nrb nrf nrn nro nrr nrs nrt nru nsa nsb nsf nsn nso nsr nss nst nsu nta ntb ntf ntn nto ntr nts ntt ntu nua nub nun nuo nur nus nut nuu oaa oab oaf oan oao oar oas oat oau ob- oba obb obf obn obo obr obs obt obu of- ofa ofb off ofn ofo ofr ofs oft ofu on- ona onb onf onn ono onr ons ont onu oo- ooa oob oof oon ooo oor oos oot or- ora orb orf orn oro orr ors ort oru os- osa osb osf osn oso osr oss ost osu ot- ota otb otf otn oto otr ots ott otu ou- oua ouf oun ouo our ous out ra- raa rab raf ran rao rar ras rat rau rba rbb rbf rbn rbo rbr rbs rbt rbu rfa rfb rff rfn rfo rfr rfs rft rfu rna rnb rnn rno rnr rns rnt rnu roa rob rof ron roo ror ros rot rou rra rrb rrf rrn rrr rrs rrt rru rsa rsb rsf rsn rso rsr rss rst rsu rta rtb rtf rtn rto rtr rts rtt rtu rua rub ruf run ruo rur rus rut ruu saa sab saf san sao sar sas sat sau sba sbb sbf sbn sbo sbr sbs sbt sbu sfa sfb sff sfn sfo sfr sfs sft sfu sna snb snf snn sno snr sns snt snu soa sob sof son soo sor sos sot sou sr- sra srb srf srn sro srr srs srt ss- ssa ssb ssf ssn sso ssr sss sst ssu sta stb stf stn sto str sts stt stu sua sub suf sun suo sur sus sut suu taa tab taf tan tao tar tas tat tau tba tbb tbf tbn tbo tbr tbs tbt tbu tfa tfb tff tfn tfo tfr tfs tft tfu tna tnb tnf tnn tno tnr tns tnt to- toa tob tof ton too tor tos tot tou tra trb trf trn tro trr trs trt tru tsa tsb tsf tsn tso tsr tss tst tsu tta ttb ttf ttn tto ttr tts ttt ttu tua tub tuf tun tuo tur tus tut tuu ua- uaa uab uaf uan uao uar uas uat uau uba ubb ubf ubn ubo ubr ubs ubt ubu ufa uff ufn ufo ufr ufs uft ufu un- una unb unf unn uno unr uns unt unu uoa uob uon uoo uor uos uot ur- ura urb urf urn uro urr urs urt uru usa usb usf usn uso usr uss ust usu uta utb utf utn uto utr uts utt utu uua uun uur uus uut uuu

-ana -ous a-fu a-un aaaa aaab aaaf aaan aaar aaas aaba aabb aabt aafa aafb aaff aana aaon aaoo aara aaro aars aart aaru aasa aasf aass aast aasu aata aatf aatt aaus abaa abab abaf aban abar abas abat abau abb- abba abbb abbo abbr abbs abbt abff abnu aboa abob abof abon aboo abor abos abot abou abra abro abrs abs- absa absf abss absu abta abts abtu abua abuf abun abus abut afaa afan afao afar afat afbs affa affo affs afft afoa afoo afor afr- afra afro afrs afru afsa afsb afst afta aftn afts afua afus ana- anaa anab anan anao anar anas anat anau anba anbb anbo anbu anfa anfo anna annb anno anns annt ano- anoa anon anor anos ansa ansf anso ansu ant- anta anto antr ants antt antu anua anub anuf anun anus anut aoba aonb aono aont aora aorb aorn aors aort aoss aotf aouf aoun aous aout arab araf aran arar aras arat arau arba arbs arfa arfb arff arfs arft arfu arna arno arns arnt aroa arob aron aroo aror aros arr- arra arro arrr arrs arrt arru ars- arsa arso arst arsu arta arto artr arts arua arub arun arut asaa asab asaf asan asao asar asas asat asau asba asbo asbu asfa asno asob asof ason asor asos asot asou asra asro asrs asru assa assn asso assr asss asst assu asta astb asto astr asts asub asun asur asus at-t ataa atab atan atar atas atat atbs atfb atfs atna atno atns atob atof aton ator atos