a-a a-b a-c aaa aab aac aad aah aam aan aao aap aar aas ab- aba abb abc abd abh abm abn abo abp abr abs ac- aca acb acc acd ach acm acn aco acp acr acs ad- ada adb adc add adh adm adn ado adp adr ads aha ahb ahc ahd ahh ahm ahn aho ahp ahr ahs ama amb amc amd amh amm amn amo amp amr ams an- ana anb anc and anh anm ann ano anp anr ans aoa aob aoc aod aoh aom aon aoo aop aor aos ap- apa apb apc apd aph apm apn apo app apr aps ar- ara arb arc ard arh arm arn aro arp arr ars as- asa asb asc asd ash asm asn aso asp asr ass b-p baa bab bac bad bah bam ban bao bap bar bas bba bbb bbc bbd bbh bbm bbn bbo bbp bbr bbs bca bcb bcc bcd bch bcm bcn bco bcp bcr bcs bda bdb bdc bdd bdh bdm bdo bdp bdr bds bha bhb bhc bhd bhh bhm bho bhp bhr bhs bma bmb bmc bmd bmh bmm bmn bmo bmp bmr bms bna bnb bnc bnd bnn bno bnp bnr bns boa bob boc bod boh bom bon boo bop bor bos bpa bpb bpc bpd bph bpm bpn bpo bpp bpr bps bra brb brd brh brm brn bro brp brr brs bsa bsb bsc bsd bsh bsm bsn bso bsp bsr bss c-- caa cab cac cad cah cam can cao cap car cas cba cbb cbc cbd cbh cbm cbn cbo cbp cbr cbs cca ccb ccc ccd cch ccm ccn cco ccp ccr ccs cda cdb cdc cdd cdh cdm cdn cdo cdp cdr cds ch- cha chb chc chd chh chm chn cho chp chr chs cma cmb cmc cmd cmh cmm cmn cmo cmp cmr cms cn- cna cnb cnc cnd cnh cnm cnn cno cnp cnr cns co- coa cob coc cod coh com con coo cop cor cos cpa cpb cpc cpd cph cpm cpn cpo cpp cpr cps cra crb crc crd crh crm crn cro crp crr crs csa csb csc csd csh csm csn cso csp csr css daa dab dac dad dah dam dan dao dap dar das dba dbb dbc dbd dbh dbm dbn dbo dbp dbr dbs dca dcb dcc dcd dcm dcn dco dcp dcr dcs dda ddb ddc ddd ddh ddm ddn ddo ddp ddr dds dh- dha dhb dhc dhd dhh dhm dho dhp dhr dhs dma dmb dmc dmd dmh dmm dmn dmo dmp dmr dms dna dnb dnc dnd dnh dnm dnn dno dnp dnr dns doa dob doc dod doh dom don doo dop dor dos dpa dpb dpc dpd dph dpm dpn dpo dpp dpr dps dra drb drc drd drm drn dro drp drr drs dsa dsb dsc dsd dsh dsm dsn dso dsp dsr dss haa hab hac had hah ham han hao hap har has hba hbb hbc hbd hbh hbm hbn hbo hbp hbr hbs hca hcb hcc hcd hch hcm hcn hco hcp hcr hcs hda hdb hdc hdd hdh hdm hdn hdo hdp hdr hds hha hhb hhc hhd hhh hhm hhn hho hhp hhr hhs hma hmb hmc hmd hmh hmm hmo hmp hmr hms hna hnb hnc hnd hnh hnn hno hns hoa hob hoc hod hoh hom hon hoo hop hor hos hpa hpb hpc hpd hph hpm hpn hpo hpp hpr hps hr- hra hrb hrc hrd hrh hrm hrn hro hrp hrr hrs hsa hsb hsc hsd hsh hsm hsn hsp hsr hss m-o m-r maa mab mac mad mah mam man mao map mar mas mba mbb mbc mbd mbh mbm mbo mbp mbr mbs mc- mca mcb mcc mcd mch mcm mcn mco mcp mcr mcs mda mdb mdc mdd mdh mdm mdn mdo mdp mdr mds mha mhc mhd mhh mhm mhn mho mhp mhr mhs mma mmb mmc mmd mmh mmm mmn mmo mmp mmr mms mna mnb mnc mnm mnn mno mnp mnr mns moa mob moc mod moh mom mon moo mop mor mos mpa mpb mpc mpd mph mpm mpn mpo mpp mpr mps mra mrb mrc mrd mrh mrm mrn mro mrp mrr mrs msa msb msc msd msh msm msn mso msp msr mss naa nab nac nad nah nam nan nao nap nar nas nba nbb nbc nbd nbm nbn nbo nbp nbr nbs nca ncb ncc ncd nch ncm ncn nco ncp ncr ncs nda ndb ndc ndd ndh ndm ndn ndo ndp ndr nds nha nhb nhc nhd nhh nhm nhn nhp nhr nhs nma nmb nmc nmd nmh nmm nmn nmo nmp nmr nms nna nnb nnc nnh nnm nnn nno nnp nns no- noa nob noc nod noh nom non noo nop nor nos npa npb npc npd nph npm npn npo npp npr nps nra nrb nrc nrd nrm nrn nro nrp nrr nrs nsa nsb nsc nsd nsh nsm nsn nso nsp nsr nss oaa oab oac oad oah oam oan oao oap oar oas ob- oba obb obc obd obh obm obn obo obp obr obs oc- oca ocb occ ocd och ocm ocn oco ocp ocr ocs oda odb odc odd odh odm odn odo odp odr ods oha ohc ohd ohh ohm ohn oho ohp ohr ohs om- oma omb omc omd omh omm omn omo omp omr oms on- ona onb onc ond onh onn ono onp onr ons oo- ooa oob ooc ood ooh oom oon ooo oop oor oos op- opa opb opc opd oph opm opn opo opp opr ops or- ora orb orc ord orh orm orn oro orp orr ors os- osa osb osc osd osh osm osn oso osp osr oss p-p paa pab pac pad pah pam pan pao pap par pas pba pbb pbc pbd pbm pbn pbo pbp pbr pbs pca pcb pcc pcd pch