a-a a-b a-i a-t aaa aab aai aak aao aar aas aat aau ab- aba abb abi abk abo abr abs abt abu ai- aia aib aii aik aio air ais ait aiu aka akb aki akk ako akr aks aku aoa aob aoi aok aoo aor aos aot aou ar- ara arb ari ark aro arr ars art aru as- asa asb asi ask aso asr ass ast asu at- ata atb ati ato atr ats att atu au- aua aub aui auk auo aur aus aut b-u baa bab bai bak bao bar bas bat bau bba bbb bbi bbk bbo bbr bbs bbt bbu bi- bia bib bii bik bio bir bis bit biu bka bkb bkk bko bkr bks bkt boa bob boi bok boo bor bos bot bou bra brb bri brk bro brr brs brt bru bsa bsb bsi bsk bso bsr bss bst bsu bta btb bti btk bto btr bts btt btu bua bub bui buk buo bur bus but buu ia- iaa iab iai iao iar ias iat iau iba ibb ibi ibk ibo ibr ibs ibt ibu iia iib iii iio iir iis iit iiu ika ikb iki ikk iko ikr iks ikt iku io- ioa iob ioi ioo ior ios iot iou ir- ira irb iri irk iro irr irs irt iru is- isa isb isi isk iso isr iss ist isu ita itb iti itk ito its itt itu iu- iua iub iui iur ius iut k-t ka- kaa kab kai kak kao kar kas kat kau kba kbb kbi kbk kbo kbr kbs kbu kia kib kii kik kio kir kis kit kiu kkb kki kkk kkr kks kkt kku koa kob koi kok koo kor kos kot kou kra kri krk kro krr krs krt kru ksa ksb ksi ksk kso ksr kss kst ksu kta ktb ktk kto ktr kts ktt ktu kub kui kuk kur kus kut kuu o-i oaa oab oai oak oao oar oas oat oau ob- oba obb obi obk obo obr obs obt obu oia oib oii oik oio oir ois oit oiu oka okb oki okk oko okr oks oku oo- ooa oob ooi ook ooo oor oos oot or- ora orb ori ork oro orr ors ort oru os- osa osb osi osk oso osr oss ost osu ot- ota otb oti otk oto otr ots ott otu ou- oua oui ouk ouo our ous out ra- raa rab rai rak rao rar ras rat rau rba rbb rbi rbk rbo rbr rbs rbt rbu ria rib rii rik rio rir ris rit rkb rkk rko rks rkt rku roa rob roi rok roo ror ros rot rou rra rrb rri rrk rrr rrs rrt rru rsa rsb rsi rsk rso rsr rss rst rsu rta rtb rti rtk rto rtr rts rtt rtu rua rub rui ruk ruo rur rus rut ruu saa sab sai sak sao sar sas sat sau sba sbb sbi sbk sbo sbr sbs sbt sbu sia sib sii sik sio sir sis sit siu sk- ska skb ski skk sko skr sks skt sku soa sob soi sok soo sor sos sot sou sr- sra srb sri srk sro srr srs srt ss- ssa ssb ssi ssk sso ssr sss sst ssu sta stb sti stk sto str sts stt stu sua sub sui suk suo sur sus sut suu taa tab tai tak tao tar tas tat tau tba tbb tbi tbk tbo tbr tbs tbt tbu tia tib tii tik tio tir tis tit tiu tka tkb tkk tko tkr tks tkt to- toa tob toi tok too tor tos tot tou tra trb tri trk tro trr trs trt tru tsa tsb tsi tsk tso tsr tss tst tsu tta ttb tti ttk tto ttr tts ttt ttu tua tub tui tuk tuo tur tus tut tuu ua- uaa uab uai uak uao uar uas uat uau uba ubb ubi ubk ubo ubr ubs ubt ubu uia uib uii uio uir uis uit uiu uka ukb uki ukk ukr uku uoa uob uok uoo uor uos uot ur- ura urb uri urk uro urr urs urt uru usa usb usi usk uso usr uss ust usu uta utb uti utk uto utr uts utt utu uua uur uus uut uuu

-ous a-ak a-ii a-ok aaaa aaab aaai aaar aaas aaba aabb aabi aabt aaib aaii aais aaka aaku aaoo aara aari aaro aars aart aaru aasa aasi aass aast aasu aata aatk aatt aaus abaa abab abai abak abar abas abat abau abb- abba abbb abbi abbo abbr abbs abbt abia abib abir abis abit abiu aboa abob abok aboo abor abos abot abou abra abri abro abrs abs- absa absi abss absu abta abts abtu abua abuk abus abut aiai aias aiba aibo aiia aiib aiir aika aiki aiko aiks aioi aira airi airo airs airt aisa aisb aisi aisk aiso aisr aist aita aiti aitr aits aitt aitu aiui akaa akai akao akar akas akia akik akio akir akis akiu akka akki akko akku akok akos akot akr- akra aksa aksi akst aksu akua aoba aoki aoks aora aorb aors aort aoss aous aout arab arai arak arar aras arat arau arba arbi arbs aria arib arii arik ario aris arit arka arki arko arks aroa arob aroi aroo aror aros arr- arra arri arrk arro arrr arrs arrt arru ars- arsa arsi arsk arso arst arsu arta arti arto artr arts arua arub arui arut asaa asab asai asak asao asar asas asat asau asba asbo asbu asia asii asik asio asir asis asit aska aski asko askr asks askt asob asoi asok asor asos asot asou asra asro asrs asru assa assi assk asso assr asss asst assu asta astb asti asto astr asts asub asui asur asus at-t ataa atab atai atak atar atas atat atbs atia atik atis atit atiu atka atkt atob atoi atok ator atos atot atra atri atrk atro atru