a-a a-b a-c a-t aaa aab aac aam aan aao aat aaw ab- aba abb abc abm abn abo abt abw ac- aca acb acc acm acn aco act acw ama amb amc amm amn amo amt amw an- ana anb anc anm ann ano ant aoa aob aoc aom aon aoo aot aow at- ata atb atc atm atn ato att atw aw- awa awb awc awm awn awo awt aww baa bab bac bam ban bao bat baw bba bbb bbc bbm bbn bbo bbt bbw bca bcb bcc bcm bcn bco bct bma bmb bmc bmm bmn bmo bmt bmw bna bnb bnc bnn bno bnt bnw boa bob boc bom bon boo bot bow bta btb btc btm btn bto btt btw bwa bwb bwc bwo c-- caa cab cac cam can cao cat caw cba cbb cbc cbm cbn cbo cbt cbw cca ccb ccc ccm ccn cco cct ccw cma cmb cmc cmm cmn cmo cmt cmw cn- cna cnb cnc cnm cnn cno cnt cnw co- coa cob coc com con coo cot cow cta ctb ctc ctm ctn cto ctt ctw cw- cwa cwb cwc cwm cwn cwo cwt m-o m-w maa mab mac mam man mao mat maw mba mbb mbc mbm mbo mbt mbw mc- mca mcb mcc mcm mcn mco mct mcw mma mmb mmc mmm mmn mmo mmt mmw mna mnb mnc mnm mnn mno mnt mnw moa mob moc mom mon moo mot mow mta mtb mtc mtm mtn mto mtt mtw mwa mwb mwc mwm mwn mwo mww naa nab nac nam nan nao nat naw nba nbb nbc nbm nbn nbo nbt nbw nca ncb ncc ncm ncn nco nct ncw nma nmb nmc nmm nmn nmo nmt nmw nna nnb nnc nnm nnn nno nnt nnw no- noa nob noc nom non noo not now nta ntb ntc ntm ntn nto ntt nwa nwb nwc nwn nwo nwt oaa oab oac oam oan oao oat oaw ob- oba obb obc obm obn obo obt obw oc- oca ocb occ ocm ocn oco oct ocw om- oma omb omc omm omn omo omt omw on- ona onb onc onn ono ont oo- ooa oob ooc oom oon ooo oot oow ot- ota otb otc otm otn oto ott otw owa owb owc owm own owo owt oww taa tab tac tam tan tao tat taw tba tbb tbc tbm tbn tbo tbt tca tcb tcc tcm tcn tco tct tcw tma tmb tmc tmm tmn tmo tmt tmw tna tnb tnc tnm tnn tno tnt tnw to- toa tob toc tom ton too tot tow tta ttb ttc ttm ttn tto ttt ttw twa twb twc twm twn two twt tww waa wab wac wam wan wao wat waw wba wbb wbc wbn wbo wbt wbw wca wcb wcc wcm wcn wco wct wcw wm- wma wmb wmc wmm wmo wmt wn- wna wnc wnm wnn wno wnt wnw woa wob woc wom won woo wot wow wta wtb wtc wtm wtn wto wtt wtw wwa wwc wwm wwn wwo wwt www