a-a a-b a-i aaa aab aad aah aai aam aao aar ab- aba abb abd abh abi abm abo abr ad- ada adb add adh adi adm ado adr aha ahb ahd ahh ahi ahm aho ahr ai- aia aib aid aih aii aim aio air ama amb amd amh ami amm amo amr aoa aob aod aoh aoi aom aoo aor ar- ara arb ard arh ari arm aro arr baa bab bad bah bai bam bao bar bba bbb bbd bbh bbi bbm bbo bbr bda bdb bdd bdh bdi bdm bdo bdr bha bhb bhd bhh bhi bhm bho bhr bi- bia bib bid bih bii bim bio bir bma bmb bmd bmh bmi bmm bmo bmr boa bob bod boh boi bom boo bor bra brb brd brh bri brm bro brr daa dab dad dah dai dam dao dar dba dbb dbd dbh dbi dbm dbo dbr dda ddb ddd ddh ddi ddm ddo ddr dh- dha dhb dhd dhh dhi dhm dho dhr di- dia dib did dih dii dim dio dir dma dmb dmd dmh dmi dmm dmo dmr doa dob dod doh doi dom doo dor dra drb drd dri drm dro drr h-i haa hab had hah hai ham hao har hba hbb hbd hbh hbi hbm hbo hbr hda hdb hdd hdh hdi hdm hdo hdr hha hhb hhd hhh hhi hhm hho hhr hia hib hid hih hii him hio hir hma hmb hmd hmh hmi hmm hmo hmr hoa hob hod hoh hoi hom hoo hor hr- hra hrb hrd hrh hri hrm hro hrr i-d ia- iaa iab iad iah iai iam iao iar iba ibb ibd ibh ibi ibm ibo ibr ida idb idd idh idi idm ido idr iha ihb ihd ihh ihi ihm iho ihr iia iib iid iih iii iim iio iir im- ima imb imd imh imi imm imo io- ioa iob iod ioh ioi iom ioo ior ir- ira irb ird iri irm iro irr m-o m-r maa mab mad mah mai mam mao mar mba mbb mbd mbh mbi mbm mbo mbr mda mdb mdd mdh mdi mdm mdo mdr mha mhd mhh mhi mhm mho mhr mi- mia mib mid mih mii mim mio mir mma mmb mmd mmh mmi mmm mmo mmr moa mob mod moh moi mom moo mor mra mrb mrd mrh mri mrm mro mrr o-i oaa oab oad oah oai oam oao oar ob- oba obb obd obh obi obm obo obr oda odb odd odh odi odm odo odr oha ohd ohh ohi ohm oho ohr oia oib oid oii oim oio oir om- oma omb omd omh omi omm omo omr oo- ooa oob ood ooh ooi oom ooo oor or- ora orb ord orh ori orm oro orr ra- raa rab rad rah rai ram rao rar rba rbb rbd rbh rbi rbm rbo rbr rda rdb rdd rdh rdi rdm rdo rdr rh- rha rhb rhd rhh rhi rhm rho rhr ria rib rid rih rii rim rio rir rma rmb rmd rmh rmi rmm rmo rmr roa rob rod roh roi rom roo ror rra rrb rrd rrh rri rrm rrr