-up a-a a-b a-i a-t aaa aab aai aao aap aar aas aat aau ab- aba abb abi abo abp abr abs abt abu ai- aia aib aii aio aip air ais ait aiu aoa aob aoi aoo aop aor aos aot aou ap- apa apb api apo app apr aps apt apu ar- ara arb ari aro arp arr ars art aru as- asa asb asi aso asp asr ass ast asu at- ata atb ati ato atp atr ats att atu au- aua aub aui auo aup aur aus aut b-p b-u baa bab bai bao bap bar bas bat bau bba bbb bbi bbo bbp bbr bbs bbt bbu bi- bia bib bii bio bip bir bis bit biu boa bob boi boo bop bor bos bot bou bpa bpb bpi bpo bpp bpr bps bpt bpu bra brb bri bro brp brr brs brt bru bsa bsb bsi bso bsp bsr bss bst bsu bta btb bti bto btp btr bts btt btu bua bub bui buo bup bur bus but buu ia- iaa iab iai iao iap iar ias iat iau iba ibb ibi ibo ibp ibr ibs ibt ibu iia iib iii iio iip iir iis iit iiu io- ioa iob ioi ioo iop ior ios iot iou ipa ipb ipi ipo ipp ipr ips ipt ipu ir- ira irb iri iro irp irr irs irt iru is- isa isb isi iso isp isr iss ist isu ita itb iti ito itp its itt itu iu- iua iub iui iup iur ius iut o-i oaa oab oai oao oap oar oas oat oau ob- oba obb obi obo obp obr obs obt obu oia oib oii oio oip oir ois oit oiu oo- ooa oob ooi ooo oop oor oos oot op- opa opb opi opo opp opr ops opt or- ora orb ori oro orp orr ors ort oru os- osa osb osi oso osp osr oss ost osu ot- ota otb oti oto otp otr ots ott otu ou- oua oui ouo oup our ous out p-p paa pab pai pao pap par pas pat pau pba pbb pbi pbo pbp pbr pbs pbt pbu pia pib pii pio pip pir pis pit piu poa pob poi poo pop por pos pot pou ppa ppb ppi ppo ppp ppr pps ppt ppu pra prb pri pro prp prr prs prt pru ps- psa psb psi pso psp psr pss pst psu pt- pta ptb pti pto ptp ptr pts ptt ptu pua pub pui pup pur pus put puu ra- raa rab rai rao rap rar ras rat rau rba rbb rbi rbo rbp rbr rbs rbt rbu ria rib rii rio rip rir ris rit roa rob roi roo rop ror ros rot rou rpa rpb rpi rpo rpp rpr rps rpt rpu rra rrb rri rrp rrr rrs rrt rru rsa rsb rsi rso rsp rsr rss rst rsu rta rtb rti rto rtp rtr rts rtt rtu rua rub rui ruo rup rur rus rut ruu saa sab sai sao sap sar sas sat sau sba sbb sbi sbo sbp sbr sbs sbt sbu sia sib sii sio sip sir sis sit siu soa sob soi soo sop sor sos sot sou spa spb spi spo spp spr sps spt spu sr- sra srb sri sro srp srr srs srt ss- ssa ssb ssi sso ssp ssr sss sst ssu sta stb sti sto stp str sts stt stu sua sub sui suo sup sur sus sut suu taa tab tai tao tap tar tas tat tau tba tbb tbi tbo tbp tbr tbs tbt tbu tia tib tii tio tip tir tis tit tiu to- toa tob toi too top tor tos tot tou tpa tpb tpi tpo tpp tpr tps tpt tpu tra trb tri tro trp trr trs trt tru tsa tsb tsi tso tsp tsr tss tst tsu tta ttb tti tto ttp ttr tts ttt ttu tua tub tui tuo tup tur tus tut tuu ua- uaa uab uai uao uap uar uas uat uau uba ubb ubi ubo ubp ubr ubs ubt ubu uia uib uii uio uip uir uis uit uiu uoa uob uoo uop uor uos uot up- upa upb upi upo upp upr ups upt upu ur- ura urb uri uro urp urr urs urt uru usa usb usi uso usp usr uss ust usu uta utb uti uto utp utr uts utt utu uua uur uus uut uuu

-ous a-ii aaaa aaab aaai aaap aaar aaas aaba aabb aabi aabp aabt aaib aaii aais aaoo aapa aapi aapo aaps aapt aara aari aaro aarp aars aart aaru aasa aasi aass aast aasu aata aatt aaup aaus abaa abab abai abap abar abas abat abau abb- abba abbb abbi abbo abbr abbs abbt abia abib abir abis abit abiu aboa abob aboo abor abos abot abou abpa abpi abpp abpr abps abra abri abro abrs abs- absa absi absp abss absu abta abts abtu abua abus abut aiai aias aiba aibo aiia aiib aiir aioi aipa aipi aips aira airi airo airp airs airt aisa aisb aisi aiso aisr aist aita aiti aitr aits aitt aitu aiui aoba aopo aora aorb aors aort aosp aoss aous aout apai apao apap apar apas apat apba apbr apbs api- apia apio apip apis apit apo- apoo apop apor apos apot apou appa appr apps appt appu apra apri apro aprs aprt apsa apsi apso apss apsu apta apti apts aptt apua apup apus arab arai arap arar aras arat arau arba arbi arbs aria arib arii ario arip aris arit aroa arob aroi aroo aror aros arpa arpi arps arpu arr- arra arri arro arrr arrs arrt arru ars- arsa arsi arso arst arsu arta arti arto artr arts arua arub arui arup arut asaa asab asai asao asap asar asas asat asau asba asbo asbu asia asii asio asip asir asis asit asob asoi asop asor asos asot asou aspa aspi