mmm mmo mms mmu mob moc moe mof moi mok mol mom moo mos mou moy msb msc mse msf msi msk msl msm mso mss msu msy mub muc mue muf mui muk mul mum mus muu muy my- myb myc mye myf myk myl mym myo mys myu o-i ob- obb obc obe obf obi obk obl obm obo obs obu oby oc- ocb occ ocf oci ock ocl ocm oco ocs ocu oeb oec oee oef oei oel oem oeo oes oey of- ofb ofc ofe off ofi ofl ofm ofo ofs ofu oib oic oie oif oii oik oil oim oio ois oiu okb okc oke oki okk okl oko oks oku olb olc ole olf oli olk oll olm olo ols olu oly om- omb omc ome omf omi oml omm omo oms omu omy oo- oob ooc oof ooi ook ool oom ooo oos os- osb osc ose osf osi osk osl osm oso oss osu ou- ouc oue ouf oui ouk oul oum ouo ous oye oyi oyl oyo oys sbb sbc sbe sbf sbi sbk sbl sbm sbo sbs sbu sby scb scc sce scf sci sck scl scm sco scs scu se- seb sec see sef sei sek sel sem seo ses seu sey sfb sfc sfe sff sfi sfk sfl sfm sfo sfs sfu sib sic sie sif sii sik sil sim sio sis siu sk- skb skc ske skf ski skk skl skm sko sks sku sky slb slc sle slf sli slk sll slm slo sls slu sly smb smc sme smf smi smk sml smm smo sms smu smy sob soc soe sof soi sok sol som soo sos sou soy ss- ssb ssc sse ssf ssi ssk ssl ssm sso sss ssu sub suc sue suf sui suk sul sum suo sus suu suy sy- syb syc sye syi syk syl sym sys syu ubb ubc ube ubf ubi ubk ubl ubo ubs ubu uby ucb ucc uce ucf uci uck ucl ucm uco ucs ucu ueb uec uee uef uei uel uem ues uey ufc ufe uff ufi ufl ufm ufo ufs ufu uib uic uie uif uii uil uim uio uis uiu ukb ukc uke ukf uki ukk ukl uku ulb ulc ule ulf uli ulk ull ulm ulo uls ulu uly um- umb umc ume umf umi uml umm umo ums umu uob uoc uoe uok uol uom uoo uos usb usc use usf usi usk usl usm uso uss usu uuc uue uum uus uuu uyc uyi uyo uys uyu ybc ybe ybf ybi ybl ybm ybs yby ycc yce ycf yci ycl yco ycs ycu ycy yeb yec yee yef yei yek yel yem yeo yes yey yfc yfe yff yfm yfs yfu yie yif yii yim yio yis yki ykk ykm ylc yle yli ylk yll ylm yls yly ymc yme ymi yml ymm ymo yms yob yoc yoe yof yoi yok yol yom yoo yos you yoy ysb ysc yse ysi ysk ysl ysm yso yss ysu ysy yue yui yuk yul yum yuo yus yuu yuy yyb yyc yye yyf yys yyu yyy