-al -ol -up a-a a-b aaa aab aaf aal aao aap aau aax ab- aba abb abf abl abo abp abu abx af- afa afb aff afl afo afp afu afx al- ala alb alf all alo alp alu alx aoa aob aof aol aoo aop aou aox ap- apa apb apf apl apo app apu apx au- aua aub auf aul auo aup aux ax- axa axl axo axp axx b-p b-u baa bab baf bal bao bap bau bax bba bbb bbf bbl bbo bbp bbu bbx bfa bfb bff bfl bfo bfp bfu bfx bla blb blf bll blo blp blu blx boa bob bof bol boo bop bou box bpa bpb bpf bpl bpo bpp bpu bpx bua bub buf bul buo bup buu bux bxb bxl bxo bxx faa fab faf fal fao fap fau fax fba fbb fbf fbl fbo fbp fbu fbx ffa fff ffl ffo ffp ffu ffx fla flb flf fll flo flp flu flx foa fob fof fol foo fop fou fox fpa fpb fpl fpo fpp fpu fpx fua fub fuf ful fuo fup fuu fux fxp fxu fxx l-p la- laa lab laf lal lao lap lau lax lba lbb lbf lbl lbo lbp lbu lbx lfa lfb lff lfl lfo lfp lfu lfx lla llb llf lll llo llp llu loa lob lof lol loo lop lou lox lpa lpb lpf lpl lpo lpp lpu lpx lua lub luf lul luo lup luu lux lxo lxx oaa oab oaf oal oao oap oau oax ob- oba obb obf obl obo obp obu obx of- ofa ofb off ofl ofo ofp ofu ofx ola olb olf oll olo olp olu oo- ooa oob oof ool ooo oop oox op- opa opb opf opl opo opp opx ou- oua ouf oul ouo oup ox- oxa oxb oxf oxo oxx p-p paa pab paf pal pao pap pau pax pba pbb pbf pbl pbo pbp pbu pbx pfa pfb pff pfl pfo pfp pfu pfx pla plb plf pll plo plp plu plx poa pob pof pol poo pop pou pox ppa ppb ppf ppl ppo ppp ppu ppx pua pub puf pul pup puu pxl ua- uaa uab uaf ual uao uap uau uba ubb ubf ubl ubo ubp ubu ubx ufa uff ufl ufo ufp ufu ufx ula ulb ulf ull ulo ulp ulu uoa uob uol uoo uop uox up- upa upb upf upo upp upu upx uua uuu uxb uxf uxo uxu xaa xaf xal xap xau xbl xbx xfa xfl xfx xla xlb xlf xoa xof xoo xop xox xpa xpb xpf xpl xpo xpp xul xup xxl xxo xxp xxx