-up a-a a-b a-i aaa aab aai aan aao aap aas aau ab- aba abb abi abn abo abp abs abu ai- aia aib aii ain aio aip ais aiu an- ana anb ani ann ano anp ans anu aoa aob aoi aon aoo aop aos aou ap- apa apb api apn apo app aps apu as- asa asb asi asn aso asp ass asu au- aua aub aui aun auo aup aus b-p b-u baa bab bai ban bao bap bas bau bba bbb bbi bbn bbo bbp bbs bbu bi- bia bib bii bin bio bip bis biu bna bnb bni bnn bno bnp bns bnu boa bob boi bon boo bop bos bou bpa bpb bpi bpn bpo bpp bps bpu bsa bsb bsi bsn bso bsp bss bsu bua bub bui bun buo bup bus buu ia- iaa iab iai ian iao iap ias iau iba ibb ibi ibn ibo ibp ibs ibu iia iib iii iin iio iip iis iiu in- ina inb ini inn ino inp ins inu io- ioa iob ioi ion ioo iop ios iou ipa ipb ipi ipn ipo ipp ips ipu is- isa isb isi isn iso isp iss isu iu- iua iub iui iup ius n-i naa nab nai nan nao nap nas nau nba nbb nbi nbn nbo nbp nbs nbu nia nib nii nin nio nip nis niu nna nnb nni nnn nno nnp nns nnu no- noa nob noi non noo nop nos nou npa npb npi npn npo npp nps npu nsa nsb nsi nsn nso nsp nss nsu nua nub nui nun nuo nup nus nuu o-i oaa oab oai oan oao oap oas oau ob- oba obb obi obn obo obp obs obu oia oib oii oin oio oip ois oiu on- ona onb oni onn ono onp ons onu oo- ooa oob ooi oon ooo oop oos op- opa opb opi opn opo opp ops os- osa osb osi osn oso osp oss osu ou- oua oui oun ouo oup ous p-p paa pab pai pan pao pap pas pau pba pbb pbi pbn pbo pbp pbs pbu pia pib pii pin pio pip pis piu pn- pna pnb pni pnn pno pnp pns pnu poa pob poi pon poo pop pos pou ppa ppb ppi ppn ppo ppp pps ppu ps- psa psb psi psn pso psp pss psu pua pub pui pun pup pus puu saa sab sai san sao sap sas sau sba sbb sbi sbn sbo sbp sbs sbu sia sib sii sin sio sip sis siu sna snb sni snn sno snp sns snu soa sob soi son soo sop sos sou spa spb spi spn spo spp sps spu ss- ssa ssb ssi ssn sso ssp sss ssu sua sub sui sun suo sup sus suu ua- uaa uab uai uan uao uap uas uau uba ubb ubi ubn ubo ubp ubs ubu uia uib uii uin uio uip uis uiu un- una unb uni unn uno unp uns unu uoa uob uon uoo uop uos up- upa upb upi upn upo upp ups upu usa usb usi usn uso usp uss usu uua uun uus uuu