a-a a-b aaa aab aak aam aan aao aar aaw ab- aba abb abk abm abn abo abr abw aka akb akk akm akn ako akr akw ama amb amk amm amn amo amr amw an- ana anb ank anm ann ano anr aoa aob aok aom aon aoo aor aow ar- ara arb ark arm arn aro arr arw aw- awa awb awk awm awn awo awr aww baa bab bak bam ban bao bar baw bba bbb bbk bbm bbn bbo bbr bbw bka bkb bkk bkm bkn bko bkr bkw bma bmb bmk bmm bmn bmo bmr bmw bna bnb bnk bnn bno bnr bnw boa bob bok bom bon boo bor bow bra brb brk brm brn bro brr brw bwa bwb bwk bwo bwr ka- kaa kab kak kam kan kao kar kaw kba kbb kbk kbm kbn kbo kbr kbw kkb kkk kkm kkn kkr kma kmb kmk kmm kmo kmw kn- kna knk knm knn kno knr koa kob kok kom kon koo kor kow kra krk krn kro krr krw kw- kwa kwk kwm kwo kww m-o m-r m-w maa mab mak mam man mao mar maw mba mbb mbk mbm mbo mbr mbw mka mkb mkk mkm mkn mko mkr mma mmb mmk mmm mmn mmo mmr mmw mna mnb mnk mnm mnn mno mnr mnw moa mob mok mom mon moo mor mow mra mrb mrk mrm mrn mro mrr mrw mwa mwb mwk mwm mwn mwo mwr mww naa nab nak nam nan nao nar naw nba nbb nbk nbm nbn nbo nbr nbw nka nkk nkm nkn nko nkr nma nmb nmk nmm nmn nmo nmr nmw nna nnb nnk nnm nnn nno nnw no- noa nob nok nom non noo nor now nra nrb nrk nrm nrn nro nrr nrw nwa nwb nwn nwo nwr oaa oab oak oam oan oao oar oaw ob- oba obb obk obm obn obo obr obw oka okb okk oko okr okw om- oma omb omm omn omo omr omw on- ona onb onk onn ono onr oo- ooa oob ook oom oon ooo oor oow or- ora orb ork orm orn oro orr owa owb owk owm own owo oww ra- raa rab rak ram ran rao rar raw rba rbb rbk rbm rbn rbo rbr rbw rkb rkk rkm rko rma rmb rmm rmn rmo rmr rna rnb rnm rnn rno rnr rnw roa rob rok rom ron roo ror row rra rrb rrk rrm rrn rrr rwa rwb rwm rwr waa wab wak wam wan wao war waw wba wbb wbn wbo wbr wbw wka wkb wkm wko wkr wkw wm- wma wmb wmk wmm wmo wmr wn- wna wnm wnn wno wnw woa wob wok wom won woo wor wow wr- wra wrk wrm wrn wro wrr wrw wwa wwm wwn wwo www