bbbb bbeb bbox bebb bebe bebo beeb beem behm beme beo- bobb bobe bobo boee boeo bohm boho bomb bome boob booe booh boom boox ebbo eboe eboo ebox eeee eemo eheh embe embo emex emme emoh exh- exmh exo- hbox hebb hebe hebo heeb heem hehe heho hem- heme hemo heom hex- hexb hexe hhex hhhh hmhb hmmm hobe hobo hohe hohm hoho hom- home homo hooe hoom hoox mbox mebe mebo meem mehe meme memo memx mexx mhem mhmm mmhm mmmh mmmm mmxx mobb mobe mobo moex mohe mohm moho mome momo moob mooe moxe moxo o-eo obbo obex oboe obox oeme ohbe ohee ohho ohme ohob ohoh ombe ombo omee omeo omex omo- omoe omoo omox oobe ooho oome oooh oooo oxo- oxox oxxo xbee xbox xeme xexe xohm xome xoom xoxo xxxo xxxx