-up a-a a-b a-c aaa aab aac aah aan aao aap aar aas aau ab- aba abb abc abh abn abo abp abr abs abu ac- aca acb acc ach acn aco acp acr acs acu aha ahb ahc ahh ahn aho ahp ahr ahs ahu an- ana anb anc anh ann ano anp anr ans anu aoa aob aoc aoh aon aoo aop aor aos aou ap- apa apb apc aph apn apo app apr aps apu ar- ara arb arc arh arn aro arp arr ars aru as- asa asb asc ash asn aso asp asr ass asu au- aua aub auc auh aun auo aup aur aus b-p b-u baa bab bac bah ban bao bap bar bas bau bba bbb bbc bbh bbn bbo bbp bbr bbs bbu bca bcb bcc bch bcn bco bcp bcr bcs bcu bha bhb bhc bhh bho bhp bhr bhs bhu bna bnb bnc bnn bno bnp bnr bns bnu boa bob boc boh bon boo bop bor bos bou bpa bpb bpc bph bpn bpo bpp bpr bps bpu bra brb brh brn bro brp brr brs bru bsa bsb bsc bsh bsn bso bsp bsr bss bsu bua bub buc buh bun buo bup bur bus buu c-- caa cab cac cah can cao cap car cas cau cba cbb cbc cbh cbn cbo cbp cbr cbs cbu cca ccb ccc cch ccn cco ccp ccr ccs ccu ch- cha chb chc chh chn cho chp chr chs chu cn- cna cnb cnc cnh cnn cno cnp cnr cns cnu co- coa cob coc coh con coo cop cor cos cou cpa cpb cpc cph cpn cpo cpp cpr cps cpu cra crb crc crh crn cro crp crr crs cru csa csb csc csh csn cso csp csr css csu cua cub cuc cuh cun cuo cup cur cus cuu haa hab hac hah han hao hap har has hau hba hbb hbc hbh hbn hbo hbp hbr hbs hbu hca hcb hcc hch hcn hco hcp hcr hcs hha hhb hhc hhh hhn hho hhp hhr hhs hhu hna hnb hnc hnh hnn hno hns hnu hoa hob hoc hoh hon hoo hop hor hos hou hpa hpb hpc hph hpn hpo hpp hpr hps hpu hr- hra hrb hrc hrh hrn hro hrp hrr hrs hru hsa hsb hsc hsh hsn hsp hsr hss hsu hua hub huc huh hun huo hup hur hus huu naa nab nac nah nan nao nap nar nas nau nba nbb nbc nbn nbo nbp nbr nbs nbu nca ncb ncc nch ncn nco ncp ncr ncs ncu nha nhb nhc nhh nhn nhp nhr nhs nhu nna nnb nnc nnh nnn nno nnp nns nnu no- noa nob noc noh non noo nop nor nos nou npa npb npc nph npn npo npp npr nps npu nra nrb nrc nrn nro nrp nrr nrs nru nsa nsb nsc nsh nsn nso nsp nsr nss nsu nua nub nuc nuh nun nuo nup nur nus nuu oaa oab oac oah oan oao oap oar oas oau ob- oba obb obc obh obn obo obp obr obs obu oc- oca ocb occ och ocn oco ocp ocr ocs ocu oha ohc ohh ohn oho ohp ohr ohs ohu on- ona onb onc onh onn ono onp onr ons onu oo- ooa oob ooc ooh oon ooo oop oor oos op- opa opb opc oph opn opo opp opr ops or- ora orb orc orh orn oro orp orr ors oru os- osa osb osc osh osn oso osp osr oss osu ou- oua ouc ouh oun ouo oup our ous p-p paa pab pac pah pan pao pap par pas pau pba pbb pbc pbn pbo pbp pbr pbs pbu pca pcb pcc pch pcn pco pcp pcr pcs pcu pha phb phc phn pho php phr phs phu pn- pna pnb pnc pnh pnn pno pnp pnr pns pnu poa pob poc poh pon poo pop por pos pou ppa ppb ppc pph ppn ppo ppp ppr pps ppu pra prb prc prh prn pro prp prr prs pru ps- psa psb psc psh psn pso psp psr pss psu pua pub puc puh pun pup pur pus puu ra- raa rab rac rah ran rao rap rar ras rau rba rbb rbc rbh rbn rbo rbp rbr rbs rbu rca rcb rcc rch rcn rco rcp rcr rcs rcu rh- rha rhb rhc rhh rhn rho rhp rhr rhs rhu rna rnb rnc rnh rnn rno rnp rnr rns rnu roa rob roc roh ron roo rop ror ros rou rpa rpb rpc rph rpn rpo rpp rpr rps rpu rra rrb rrc rrh rrn rrp rrr rrs rru rsa rsb rsc rsh rsn rso rsp rsr rss rsu rua rub ruc ruh run ruo rup rur rus ruu saa sab sac sah san sao sap sar sas sau sba sbb sbc sbh sbn sbo sbp sbr sbs sbu sca scb scc sch scn sco scp scr scs scu sh- sha shb shc shh shn sho shp shr shs shu sna snb snc snn sno snp snr sns snu soa sob soc soh son soo sop sor sos sou spa spb spc sph spn spo spp spr sps spu sr- sra srb src srh srn sro srp srr srs ss- ssa ssb ssc ssh ssn sso ssp ssr sss ssu sua sub suc suh sun suo sup sur sus suu ua- uaa uab uac uah uan uao uap uar uas uau uba ubb ubc ubh ubn ubo ubp ubr ubs ubu uca ucb ucc uch ucn uco ucp ucr ucs ucu uha uhb uhc uhh uho uhp uhr uhs uhu un- una unb unc unh unn uno unp unr uns unu uoa uob uoc uon uoo uop uor uos up- upa upb upc uph upn upo upp upr ups upu ur- ura urb urc urn uro urp urr urs uru usa usb usc ush usn uso usp usr