a-a a-b aaa aab aad aah aak aam aao aar ab- aba abb abd abh abk abm abo abr ad- ada adb add adh adk adm ado adr aha ahb ahd ahh ahk ahm aho ahr aka akb akd akh akk akm ako akr ama amb amd amh amk amm amo amr aoa aob aod aoh aok aom aoo aor ar- ara arb ard arh ark arm aro arr baa bab bad bah bak bam bao bar bba bbb bbd bbh bbk bbm bbo bbr bda bdb bdd bdh bdk bdm bdo bdr bha bhb bhd bhh bhk bhm bho bhr bka bkb bkk bkm bko bkr bma bmb bmd bmh bmk bmm bmo bmr boa bob bod boh bok bom boo bor bra brb brd brh brk brm bro brr daa dab dad dah dak dam dao dar dba dbb dbd dbh dbk dbm dbo dbr dda ddb ddd ddh ddk ddm ddo ddr dh- dha dhb dhd dhh dhk dhm dho dhr dka dkb dkk dkm dko dkr dma dmb dmd dmh dmk dmm dmo dmr doa dob dod doh dok dom doo dor dra drb drd drk drm dro drr haa hab had hah hak ham hao har hba hbb hbd hbh hbk hbm hbo hbr hda hdb hdd hdh hdk hdm hdo hdr hha hhb hhd hhh hhk hhm hho hhr hka hkb hkd hkh hkk hkm hko hkr hma hmb hmd hmh hmk hmm hmo hmr hoa hob hod hoh hok hom hoo hor hr- hra hrb hrd hrh hrk hrm hro hrr ka- kaa kab kad kah kak kam kao kar kba kbb kbd kbh kbk kbm kbo kbr kda kdb kdh kdk kdm kdo kdr kha khh khk khm kho khr kkb kkh kkk kkm kkr kma kmb kmd kmh kmk kmm kmo koa kob kod koh kok kom koo kor kra krd krk kro krr m-o m-r maa mab mad mah mak mam mao mar mba mbb mbd mbh mbk mbm mbo mbr mda mdb mdd mdh mdk mdm mdo mdr mha mhd mhh mhk mhm mho mhr mka mkb mkd mkh mkk mkm mko mkr mma mmb mmd mmh mmk mmm mmo mmr moa mob mod moh mok mom moo mor mra mrb mrd mrh mrk mrm mro mrr oaa oab oad oah oak oam oao oar ob- oba obb obd obh obk obm obo obr oda odb odd odh odm odo odr oha ohd ohh ohm oho ohr oka okb okd okk oko okr om- oma omb omd omh omm omo omr oo- ooa oob ood ooh ook oom ooo oor or- ora orb ord orh ork orm oro orr ra- raa rab rad rah rak ram rao rar rba rbb rbd rbh rbk rbm rbo rbr rda rdb rdd rdh rdm rdo rdr rh- rha rhb rhd rhh rhm rho rhr rkb rkk rkm rko rma rmb rmd rmh rmm rmo rmr roa rob rod roh rok rom roo ror rra rrb rrd rrh rrk rrm rrr