hhhh hohl hoho hol- holh holl holo holt hool hoor hoot horl horo horr hort hoth hotl hoto hotr hott htoh htol httr lhhh lhor llll lloo loho lohr loll lolo lool loor loot loro loth lotl loto lotr lott lrrr lthr lttr ohho ohoh ohto ollo olor olot ooho oolo oooh oooo oort orlo oro- oror orot orro orth orto otho othr oto- otoh otoo otor otro otto rhoh rohl rohr roll rolo rolt rool roor root roro rort roth rotl roto rotr rott rrrr rtlt thoo thor thot thro thtr toho tol- toll tolo tolt tooh tool toor toot toro torr tort toth toto totr tott troo trot trtr tttt