a-a a-b a-t aaa aab aae aan aap aat aaw ab- aba abb abe abn abp abt abw aea aeb aee aen aep aet aew an- ana anb ane ann anp ant ap- apa apb ape apn app apt apw at- ata atb ate atn atp att atw aw- awa awb awe awn awp awt aww b-p baa bab bae ban bap bat baw bba bbb bbe bbn bbp bbt bbw be- bea beb bee ben bep bet bew bna bnb bne bnn bnp bnt bnw bpa bpb bpe bpn bpp bpt bpw bta btb bte btn btp btt btw bwa bwb bwp eaa eab eae ean eap eat eaw eba ebb ebe ebn ebp ebt ebw eea eeb eee een eep eet eew en- ena enb ene enn enp ent enw ep- epa epb epe epn epp ept epw eta etb ete etn etp ett etw ewa ewb ewe ewp ewt eww naa nab nae nan nap nat naw nba nbb nbe nbn nbp nbt nbw ne- nea neb nee nen nep net new nna nnb nne nnn nnp nnt nnw npa npb npe npn npp npt npw nta ntb nte ntn ntp ntt nwa nwb nwe nwn nwp nwt p-p paa pab pae pan pap pat paw pba pbb pbe pbn pbp pbt pbw pea peb pee pen pep pet pew pn- pna pnb pne pnn pnp pnt pnw ppa ppb ppe ppn ppp ppt ppw pt- pta ptb pte ptn ptp ptt ptw pwa pwb pwe pwn pwp pwt taa tab tae tan tap tat taw tba tbb tbe tbn tbp tbt te- tea teb tee ten tep tet tew tna tnb tne tnn tnp tnt tnw tpa tpb tpe tpn tpp tpt tpw tta ttb tte ttn ttp ttt ttw twa twb twe twn twp twt tww waa wab wae wan wap wat waw wba wbb wbe wbn wbt wbw wea web wee wen wep wet wew wn- wna wne wnn wnp wnt wnw wpa wpb wpe wpn wpp wpt wta wtb wtn wtp wtt wtw wwa wwe wwn wwp wwt www