a-a a-b aaa aab aad aah aam aan aao aas ab- aba abb abd abh abm abn abo abs ad- ada adb add adh adm adn ado ads aha ahb ahd ahh ahm ahn aho ahs ama amb amd amh amm amn amo ams an- ana anb and anh anm ann ano ans aoa aob aod aoh aom aon aoo aos as- asa asb asd ash asm asn aso ass baa bab bad bah bam ban bao bas bba bbb bbd bbh bbm bbn bbo bbs bda bdb bdd bdh bdm bdo bds bha bhb bhd bhh bhm bho bhs bma bmb bmd bmh bmm bmn bmo bms bna bnb bnd bnn bno bns boa bob bod boh bom bon boo bos bsa bsb bsd bsh bsm bsn bso bss daa dab dad dah dam dan dao das dba dbb dbd dbh dbm dbn dbo dbs dda ddb ddd ddh ddm ddn ddo dds dh- dha dhb dhd dhh dhm dho dhs dma dmb dmd dmh dmm dmn dmo dms dna dnb dnd dnh dnm dnn dno dns doa dob dod doh dom don doo dos dsa dsb dsd dsh dsm dsn dso dss haa hab had hah ham han hao has hba hbb hbd hbh hbm hbn hbo hbs hda hdb hdd hdh hdm hdn hdo hds hha hhb hhd hhh hhm hhn hho hhs hma hmb hmd hmh hmm hmo hms hna hnb hnd hnh hnn hno hns hoa hob hod hoh hom hon hoo hos hsa hsb hsd hsh hsm hsn hss m-o maa mab mad mah mam man mao mas mba mbb mbd mbh mbm mbo mbs mda mdb mdd mdh mdm mdn mdo mds mha mhd mhh mhm mhn mho mhs mma mmb mmd mmh mmm mmn mmo mms mna mnb mnm mnn mno mns moa mob mod moh mom mon moo mos msa msb msd msh msm msn mso mss naa nab nad nah nam nan nao nas nba nbb nbd nbm nbn nbo nbs nda ndb ndd ndh ndm ndn ndo nds nha nhb nhd nhh nhm nhn nhs nma nmb nmd nmh nmm nmn nmo nms nna nnb nnh nnm nnn nno nns no- noa nob nod noh nom non noo nos nsa nsb nsd nsh nsm nsn nso nss oaa oab oad oah oam oan oao oas ob- oba obb obd obh obm obn obo obs oda odb odd odh odm odn odo ods oha ohd ohh ohm ohn oho ohs om- oma omb omd omh omm omn omo oms on- ona onb ond onh onn ono ons oo- ooa oob ood ooh oom oon ooo oos os- osa osb osd osh osm osn oso oss saa sab sad sah sam san sao sas sba sbb sbd sbh sbm sbn sbo sbs sda sdb sdd sdh sdm sdn sdo sds sh- sha shb shd shh shm shn sho shs sma smb smd smh smm smn smo sms sna snb snd snm snn sno sns soa sob sod soh som son soo sos ss- ssa ssb ssd ssh ssm ssn sso sss