-al -ol a-a a-b a-c aaa aab aac aaf aak aal aao aaw ab- aba abb abc abf abk abl abo abw ac- aca acb acc acf ack acl aco acw af- afa afb afc aff afk afl afo afw aka akb akc akk akl ako akw al- ala alb alc alf alk all alo alw aoa aob aoc aof aok aol aoo aow aw- awa awb awc awf awk awl awo aww baa bab bac baf bak bal bao baw bba bbb bbc bbf bbk bbl bbo bbw bca bcb bcc bcf bck bcl bco bfa bfb bfc bff bfl bfo bka bkb bkc bkf bkk bkl bko bkw bla blb blc blf blk bll blo boa bob boc bof bok bol boo bow bwa bwb bwc bwf bwk bwl bwo c-- caa cab cac caf cak cal cao caw cba cbb cbc cbf cbk cbl cbo cbw cca ccb ccc ccf cck ccl cco ccw cfa cfb cfc cff cfk cfl cfo cfw cka ckb ckc cko ckw cl- cla clb clc clf clk cll clo clw co- coa cob coc cof cok col coo cow cw- cwa cwb cwc cwk cwl cwo faa fab fac faf fak fal fao faw fba fbb fbc fbf fbk fbl fbo fbw fca fcb fcc fcf fck fcl fco fcw ffa ffc fff ffk ffl ffo ffw fka fkb fkc fkf fkk fkl fla flb flc flf fll flo flw foa fob foc fof fok fol foo fow fwa fwb fwc fwf fwl fwo ka- kaa kab kac kaf kak kal kao kaw kba kbb kbc kbf kbk kbl kbo kbw kca kcb kcc kck kcl kfa kfc kff kfo kfw kkb kkc kkk kkl kl- kla klb klc klf klo koa kob koc kof kok kol koo kow kw- kwa kwc kwf kwk kwo kww la- laa lab lac laf lak lal lao law lba lbb lbc lbf lbk lbl lbo lbw lca lcb lcc lcf lck lcl lco lcw lfa lfb lfc lff lfk lfl lfo lka lkb lkl lla llb llc llf llk lll llo llw loa lob loc lof lok lol loo low lwa lwb lwc lwl lwo lww oaa oab oac oaf oak oal oao oaw ob- oba obb obc obf obk obl obo obw oc- oca ocb occ ocf ock ocl oco ocw of- ofa ofb ofc off ofl ofo ofw oka okb okc okk okl oko okw ola olb olc olf olk oll olo olw oo- ooa oob ooc oof ook ool ooo oow owa owb owc owf owk owl owo oww waa wab wac waf wak wal wao waw wba wbb wbc wbf wbo wbw wca wcb wcc wcf wck wcl wco wcw wfa wfb wfc wff wfk wfl wfo wfw wka wkb wkc wkf wko wkw wl- wla wlb wlc wlf wll wlo wlw woa wob woc wof wok wol woo wow wwa wwc wwf wwl wwo www