a-a a-b a-c aaa aab aac aah aam aan aao aap aar aas ab- aba abb abc abh abm abn abo abp abr abs ac- aca acb acc ach acm acn aco acp acr acs aha ahb ahc ahh ahm ahn aho ahp ahr ahs ama amb amc amh amm amn amo amp amr ams an- ana anb anc anh anm ann ano anp anr ans aoa aob aoc aoh aom aon aoo aop aor aos ap- apa apb apc aph apm apn apo app apr aps ar- ara arb arc arh arm arn aro arp arr ars as- asa asb asc ash asm asn aso asp asr ass b-p baa bab bac bah bam ban bao bap bar bas bba bbb bbc bbh bbm bbn bbo bbp bbr bbs bca bcb bcc bch bcm bcn bco bcp bcr bcs bha bhb bhc bhh bhm bho bhp bhr bhs bma bmb bmc bmh bmm bmn bmo bmp bmr bms bna bnb bnc bnn bno bnp bnr bns boa bob boc boh bom bon boo bop bor bos bpa bpb bpc bph bpm bpn bpo bpp bpr bps bra brb brh brm brn bro brp brr brs bsa bsb bsc bsh bsm bsn bso bsp bsr bss c-- caa cab cac cah cam can cao cap car cas cba cbb cbc cbh cbm cbn cbo cbp cbr cbs cca ccb ccc cch ccm ccn cco ccp ccr ccs ch- cha chb chc chh chm chn cho chp chr chs cma cmb cmc cmh cmm cmn cmo cmp cmr cms cn- cna cnb cnc cnh cnm cnn cno cnp cnr cns co- coa cob coc coh com con coo cop cor cos cpa cpb cpc cph cpm cpn cpo cpp cpr cps cra crb crc crh crm crn cro crp crr crs csa csb csc csh csm csn cso csp csr css haa hab hac hah ham han hao hap har has hba hbb hbc hbh hbm hbn hbo hbp hbr hbs hca hcb hcc hch hcm hcn hco hcp hcr hcs hha hhb hhc hhh hhm hhn hho hhp hhr hhs hma hmb hmc hmh hmm hmo hmp hmr hms hna hnb hnc hnh hnn hno hns hoa hob hoc hoh hom hon hoo hop hor hos hpa hpb hpc hph hpm hpn hpo hpp hpr hps hr- hra hrb hrc hrh hrm hrn hro hrp hrr hrs hsa hsb hsc hsh hsm hsn hsp hsr hss m-o m-r maa mab mac mah mam man mao map mar mas mba mbb mbc mbh mbm mbo mbp mbr mbs mc- mca mcb mcc mch mcm mcn mco mcp mcr mcs mha mhc mhh mhm mhn mho mhp mhr mhs mma mmb mmc mmh mmm mmn mmo mmp mmr mms mna mnb mnc mnm mnn mno mnp mnr mns moa mob moc moh mom mon moo mop mor mos mpa mpb mpc mph mpm mpn mpo mpp mpr mps mra mrb mrc mrh mrm mrn mro mrp mrr mrs msa msb msc msh msm msn mso msp msr mss naa nab nac nah nam nan nao nap nar nas nba nbb nbc nbm nbn nbo nbp nbr nbs nca ncb ncc nch ncm ncn nco ncp ncr ncs nha nhb nhc nhh nhm nhn nhp nhr nhs nma nmb nmc nmh nmm nmn nmo nmp nmr nms nna nnb nnc nnh nnm nnn nno nnp nns no- noa nob noc noh nom non noo nop nor nos npa npb npc nph npm npn npo npp npr nps nra nrb nrc nrm nrn nro nrp nrr nrs nsa nsb nsc nsh nsm nsn nso nsp nsr nss oaa oab oac oah oam oan oao oap oar oas ob- oba obb obc obh obm obn obo obp obr obs oc- oca ocb occ och ocm ocn oco ocp ocr ocs oha ohc ohh ohm ohn oho ohp ohr ohs om- oma omb omc omh omm omn omo omp omr oms on- ona onb onc onh onn ono onp onr ons oo- ooa oob ooc ooh oom oon ooo oop oor oos op- opa opb opc oph opm opn opo opp opr ops or- ora orb orc orh orm orn oro orp orr ors os- osa osb osc osh osm osn oso osp osr oss p-p paa pab pac pah pam pan pao pap par pas pba pbb pbc pbm pbn pbo pbp pbr pbs pca pcb pcc pch pcm pcn pco pcp pcr pcs pha phb phc phm phn pho php phr phs pma pmb pmc pmh pmm pmn pmo pmp pmr pms pn- pna pnb pnc pnh pnm pnn pno pnp pnr pns poa pob poc poh pom pon poo pop por pos ppa ppb ppc pph ppm ppn ppo ppp ppr pps pra prb prc prh prm prn pro prp prr prs ps- psa psb psc psh psm psn pso psp psr pss ra- raa rab rac rah ram ran rao rap rar ras rba rbb rbc rbh rbm rbn rbo rbp rbr rbs rca rcb rcc rch rcm rcn rco rcp rcr rcs rh- rha rhb rhc rhh rhm rhn rho rhp rhr rhs rma rmb rmc rmh rmm rmn rmo rmp rmr rms rna rnb rnc rnh rnm rnn rno rnp rnr rns roa rob roc roh rom ron roo rop ror ros rpa rpb rpc rph rpm rpn rpo rpp rpr rps rra rrb rrc rrh rrm rrn rrp rrr rrs rsa rsb rsc rsh rsm rsn rso rsp rsr rss saa sab sac sah sam san sao sap sar sas sba sbb sbc sbh sbm sbn sbo sbp sbr sbs sca scb scc sch scm scn sco scp scr scs sh- sha shb shc shh shm shn sho shp shr shs sma smb smc smh smm smn smo smp smr sms sna snb snc snm snn sno snp snr sns soa sob soc soh som son soo sop sor sos spa spb spc sph spm spn spo spp spr sps sr- sra srb src srh srm srn sro srp