-ic -up a-a a-b a-c a-i aaa aab aac aai aan aao aap aar aas aau ab- aba abb abc abi abn abo abp abr abs abu ac- aca acb acc aci acn aco acp acr acs acu ai- aia aib aic aii ain aio aip air ais aiu an- ana anb anc ani ann ano anp anr ans anu aoa aob aoc aoi aon aoo aop aor aos aou ap- apa apb apc api apn apo app apr aps apu ar- ara arb arc ari arn aro arp arr ars aru as- asa asb asc asi asn aso asp asr ass asu au- aua aub auc aui aun auo aup aur aus b-p b-u baa bab bac bai ban bao bap bar bas bau bba bbb bbc bbi bbn bbo bbp bbr bbs bbu bca bcb bcc bci bcn bco bcp bcr bcs bcu bi- bia bib bic bii bin bio bip bir bis biu bna bnb bnc bni bnn bno bnp bnr bns bnu boa bob boc boi bon boo bop bor bos bou bpa bpb bpc bpi bpn bpo bpp bpr bps bpu bra brb bri brn bro brp brr brs bru bsa bsb bsc bsi bsn bso bsp bsr bss bsu bua bub buc bui bun buo bup bur bus buu c-- caa cab cac cai can cao cap car cas cau cba cbb cbc cbi cbn cbo cbp cbr cbs cbu cca ccb ccc cci ccn cco ccp ccr ccs ccu ci- cia cib cic cii cin cio cip cir cis ciu cn- cna cnb cnc cni cnn cno cnp cnr cns cnu co- coa cob coc coi con coo cop cor cos cou cpa cpb cpc cpi cpn cpo cpp cpr cps cpu cra crb crc cri crn cro crp crr crs cru csa csb csc csi csn cso csp csr css csu cua cub cuc cui cun cuo cup cur cus cuu ia- iaa iab iac iai ian iao iap iar ias iau iba ibb ibc ibi ibn ibo ibp ibr ibs ibu ica icb icc ici icn ico icp icr ics icu iia iib iic iii iin iio iip iir iis iiu in- ina inb inc ini inn ino inp inr ins inu io- ioa iob ioc ioi ion ioo iop ior ios iou ipa ipb ipc ipi ipn ipo ipp ipr ips ipu ir- ira irb irc iri irn iro irp irr irs iru is- isa isb isc isi isn iso isp isr iss isu iu- iua iub iuc iui iup iur ius n-i naa nab nac nai nan nao nap nar nas nau nba nbb nbc nbi nbn nbo nbp nbr nbs nbu nca ncb ncc nci ncn nco ncp ncr ncs ncu nia nib nic nii nin nio nip nir nis niu nna nnb nnc nni nnn nno nnp nns nnu no- noa nob noc noi non noo nop nor nos nou npa npb npc npi npn npo npp npr nps npu nra nrb nrc nri nrn nro nrp nrr nrs nru nsa nsb nsc nsi nsn nso nsp nsr nss nsu nua nub nuc nui nun nuo nup nur nus nuu o-i oaa oab oac oai oan oao oap oar oas oau ob- oba obb obc obi obn obo obp obr obs obu oc- oca ocb occ oci ocn oco ocp ocr ocs ocu oia oib oic oii oin oio oip oir ois oiu on- ona onb onc oni onn ono onp onr ons onu oo- ooa oob ooc ooi oon ooo oop oor oos op- opa opb opc opi opn opo opp opr ops or- ora orb orc ori orn oro orp orr ors oru os- osa osb osc osi osn oso osp osr oss osu ou- oua ouc oui oun ouo oup our ous p-p paa pab pac pai pan pao pap par pas pau pba pbb pbc pbi pbn pbo pbp pbr pbs pbu pca pcb pcc pci pcn pco pcp pcr pcs pcu pia pib pic pii pin pio pip pir pis piu pn- pna pnb pnc pni pnn pno pnp pnr pns pnu poa pob poc poi pon poo pop por pos pou ppa ppb ppc ppi ppn ppo ppp ppr pps ppu pra prb prc pri prn pro prp prr prs pru ps- psa psb psc psi psn pso psp psr pss psu pua pub puc pui pun pup pur pus puu ra- raa rab rac rai ran rao rap rar ras rau rba rbb rbc rbi rbn rbo rbp rbr rbs rbu rca rcb rcc rci rcn rco rcp rcr rcs rcu ria rib ric rii rin rio rip rir ris rna rnb rnc rni rnn rno rnp rnr rns rnu roa rob roc roi ron roo rop ror ros rou rpa rpb rpc rpi rpn rpo rpp rpr rps rpu rra rrb rrc rri rrn rrp rrr rrs rru rsa rsb rsc rsi rsn rso rsp rsr rss rsu rua rub ruc rui run ruo rup rur rus ruu saa sab sac sai san sao sap sar sas sau sba sbb sbc sbi sbn sbo sbp sbr sbs sbu sca scb scc sci scn sco scp scr scs scu sia sib sic sii sin sio sip sir sis siu sna snb snc sni snn sno snp snr sns snu soa sob soc soi son soo sop sor sos sou spa spb spc spi spn spo spp spr sps spu sr- sra srb src sri srn sro srp srr srs ss- ssa ssb ssc ssi ssn sso ssp ssr sss ssu sua sub suc sui sun suo sup sur sus suu ua- uaa uab uac uai uan uao uap uar uas uau uba ubb ubc ubi ubn ubo ubp ubr ubs ubu uca ucb ucc uci ucn uco ucp ucr ucs ucu uia uib uic uii uin uio uip uir uis uiu un- una unb unc uni unn uno unp unr uns unu uoa uob uoc uon uoo uop uor uos up- upa upb upc upi upn upo upp upr ups